19420526848

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^2$

素因数の和:221

約数の個数: 216

約数和(自身を含む): 44005848320

約数和(自身を除く): 24585321472

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 37, 38, 59, 62, 64, 74, 76, 118, 124, 128, 148, 152, 236, 248, 256, 296, 304, 472, 496, 589, 592, 608, 703, 944, 992, 1121, 1147, 1178, 1184, 1216, 1406, 1829, 1888, 1984, 2183, 2242, 2294, 2356, 2368, 2432, 2812, 3481, 3658, 3776, 3968, 4366, 4484, 4588, 4712, 4736, 4864, 5624, 6962, 7316, 7552, 7936, 8732, 8968, 9176, 9424, 9472, 11248, 13924, 14632, 15104, 17464, 17936, 18352, 18848, 21793, 22496, 27848, 29264, 34751, 34928, 35872, 36704, 37696, 41477, 43586, 44992, 55696, 58528, 66139, 67673, 69502, 69856, 71744, 73408, 75392, 82954, 87172, 89984, 107911, 111392, 117056, 128797, 132278, 135346, 139004, 139712, 143488, 146816, 150784, 165908, 174344, 179968, 215822, 222784, 234112, 257594, 264556, 270692, 278008, 279424, 286976, 293632, 331816, 348688, 431644, 445568, 468224, 515188, 529112, 541384, 556016, 558848, 663632, 697376, 863288, 891136, 1030376, 1058224, 1082768, 1112032, 1285787, 1327264, 1394752, 1726576, 2050309, 2060752, 2116448, 2165536, 2224064, 2447143, 2571574, 2654528, 2789504, 3453152, 3992707, 4100618, 4121504, 4232896, 4331072, 4448128, 4894286, 5143148, 5309056, 5579008, 6906304, 7985414, 8201236, 8243008, 8465792, 8662144, 8896256, 9788572, 10286296, 10618112, 13812608, 15970828, 16402472, 16486016, 16931584, 17324288, 19577144, 20572592, 27625216, 31941656, 32804944, 32972032, 39154288, 41145184, 63883312, 65609888, 75861433, 78308576, 82290368, 127766624, 131219776, 151722866, 156617152, 164580736, 255533248, 262439552, 303445732, 313234304, 329161472, 511066496, 524879104, 606891464, 626468608, 1022132992, 1213782928, 2427565856, 4855131712, 9710263424, 19420526848]

約数ペア:

[(1, 19420526848), (2, 9710263424), (4, 4855131712), (8, 2427565856), (16, 1213782928), (19, 1022132992), (31, 626468608), (32, 606891464), (37, 524879104), (38, 511066496), (59, 329161472), (62, 313234304), (64, 303445732), (74, 262439552), (76, 255533248), (118, 164580736), (124, 156617152), (128, 151722866), (148, 131219776), (152, 127766624), (236, 82290368), (248, 78308576), (256, 75861433), (296, 65609888), (304, 63883312), (472, 41145184), (496, 39154288), (589, 32972032), (592, 32804944), (608, 31941656), (703, 27625216), (944, 20572592), (992, 19577144), (1121, 17324288), (1147, 16931584), (1178, 16486016), (1184, 16402472), (1216, 15970828), (1406, 13812608), (1829, 10618112), (1888, 10286296), (1984, 9788572), (2183, 8896256), (2242, 8662144), (2294, 8465792), (2356, 8243008), (2368, 8201236), (2432, 7985414), (2812, 6906304), (3481, 5579008), (3658, 5309056), (3776, 5143148), (3968, 4894286), (4366, 4448128), (4484, 4331072), (4588, 4232896), (4712, 4121504), (4736, 4100618), (4864, 3992707), (5624, 3453152), (6962, 2789504), (7316, 2654528), (7552, 2571574), (7936, 2447143), (8732, 2224064), (8968, 2165536), (9176, 2116448), (9424, 2060752), (9472, 2050309), (11248, 1726576), (13924, 1394752), (14632, 1327264), (15104, 1285787), (17464, 1112032), (17936, 1082768), (18352, 1058224), (18848, 1030376), (21793, 891136), (22496, 863288), (27848, 697376), (29264, 663632), (34751, 558848), (34928, 556016), (35872, 541384), (36704, 529112), (37696, 515188), (41477, 468224), (43586, 445568), (44992, 431644), (55696, 348688), (58528, 331816), (66139, 293632), (67673, 286976), (69502, 279424), (69856, 278008), (71744, 270692), (73408, 264556), (75392, 257594), (82954, 234112), (87172, 222784), (89984, 215822), (107911, 179968), (111392, 174344), (117056, 165908), (128797, 150784), (132278, 146816), (135346, 143488), (139004, 139712)]