19907328

素因数分解:

$2^8\times 3^1\times 7^2\times {\mathrm{23}}^2$

素因数の和:79

約数の個数: 162

約数和(自身を含む): 64428924

約数和(自身を除く): 44521596

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 42, 46, 48, 49, 56, 64, 69, 84, 92, 96, 98, 112, 128, 138, 147, 161, 168, 184, 192, 196, 224, 256, 276, 294, 322, 336, 368, 384, 392, 448, 483, 529, 552, 588, 644, 672, 736, 768, 784, 896, 966, 1058, 1104, 1127, 1176, 1288, 1344, 1472, 1568, 1587, 1792, 1932, 2116, 2208, 2254, 2352, 2576, 2688, 2944, 3136, 3174, 3381, 3703, 3864, 4232, 4416, 4508, 4704, 5152, 5376, 5888, 6272, 6348, 6762, 7406, 7728, 8464, 8832, 9016, 9408, 10304, 11109, 12544, 12696, 13524, 14812, 15456, 16928, 17664, 18032, 18816, 20608, 22218, 25392, 25921, 27048, 29624, 30912, 33856, 36064, 37632, 41216, 44436, 50784, 51842, 54096, 59248, 61824, 67712, 72128, 77763, 88872, 101568, 103684, 108192, 118496, 123648, 135424, 144256, 155526, 177744, 203136, 207368, 216384, 236992, 288512, 311052, 355488, 406272, 414736, 432768, 473984, 622104, 710976, 829472, 865536, 947968, 1244208, 1421952, 1658944, 2488416, 2843904, 3317888, 4976832, 6635776, 9953664, 19907328]

約数ペア:

[(1, 19907328), (2, 9953664), (3, 6635776), (4, 4976832), (6, 3317888), (7, 2843904), (8, 2488416), (12, 1658944), (14, 1421952), (16, 1244208), (21, 947968), (23, 865536), (24, 829472), (28, 710976), (32, 622104), (42, 473984), (46, 432768), (48, 414736), (49, 406272), (56, 355488), (64, 311052), (69, 288512), (84, 236992), (92, 216384), (96, 207368), (98, 203136), (112, 177744), (128, 155526), (138, 144256), (147, 135424), (161, 123648), (168, 118496), (184, 108192), (192, 103684), (196, 101568), (224, 88872), (256, 77763), (276, 72128), (294, 67712), (322, 61824), (336, 59248), (368, 54096), (384, 51842), (392, 50784), (448, 44436), (483, 41216), (529, 37632), (552, 36064), (588, 33856), (644, 30912), (672, 29624), (736, 27048), (768, 25921), (784, 25392), (896, 22218), (966, 20608), (1058, 18816), (1104, 18032), (1127, 17664), (1176, 16928), (1288, 15456), (1344, 14812), (1472, 13524), (1568, 12696), (1587, 12544), (1792, 11109), (1932, 10304), (2116, 9408), (2208, 9016), (2254, 8832), (2352, 8464), (2576, 7728), (2688, 7406), (2944, 6762), (3136, 6348), (3174, 6272), (3381, 5888), (3703, 5376), (3864, 5152), (4232, 4704), (4416, 4508)]