19913712

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 160

約数和(自身を含む): 65329152

約数和(自身を除く): 45415440

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 47, 48, 52, 56, 78, 84, 91, 94, 97, 104, 112, 141, 156, 168, 182, 188, 194, 208, 273, 282, 291, 312, 329, 336, 364, 376, 388, 546, 564, 582, 611, 624, 658, 679, 728, 752, 776, 987, 1092, 1128, 1164, 1222, 1261, 1316, 1358, 1456, 1552, 1833, 1974, 2037, 2184, 2256, 2328, 2444, 2522, 2632, 2716, 3666, 3783, 3948, 4074, 4277, 4368, 4559, 4656, 4888, 5044, 5264, 5432, 7332, 7566, 7896, 8148, 8554, 8827, 9118, 9776, 10088, 10864, 12831, 13677, 14664, 15132, 15792, 16296, 17108, 17654, 18236, 20176, 25662, 26481, 27354, 29328, 30264, 31913, 32592, 34216, 35308, 36472, 51324, 52962, 54708, 59267, 60528, 63826, 68432, 70616, 72944, 95739, 102648, 105924, 109416, 118534, 127652, 141232, 177801, 191478, 205296, 211848, 218832, 237068, 255304, 355602, 382956, 414869, 423696, 474136, 510608, 711204, 765912, 829738, 948272, 1244607, 1422408, 1531824, 1659476, 2489214, 2844816, 3318952, 4978428, 6637904, 9956856, 19913712]

約数ペア:

[(1, 19913712), (2, 9956856), (3, 6637904), (4, 4978428), (6, 3318952), (7, 2844816), (8, 2489214), (12, 1659476), (13, 1531824), (14, 1422408), (16, 1244607), (21, 948272), (24, 829738), (26, 765912), (28, 711204), (39, 510608), (42, 474136), (47, 423696), (48, 414869), (52, 382956), (56, 355602), (78, 255304), (84, 237068), (91, 218832), (94, 211848), (97, 205296), (104, 191478), (112, 177801), (141, 141232), (156, 127652), (168, 118534), (182, 109416), (188, 105924), (194, 102648), (208, 95739), (273, 72944), (282, 70616), (291, 68432), (312, 63826), (329, 60528), (336, 59267), (364, 54708), (376, 52962), (388, 51324), (546, 36472), (564, 35308), (582, 34216), (611, 32592), (624, 31913), (658, 30264), (679, 29328), (728, 27354), (752, 26481), (776, 25662), (987, 20176), (1092, 18236), (1128, 17654), (1164, 17108), (1222, 16296), (1261, 15792), (1316, 15132), (1358, 14664), (1456, 13677), (1552, 12831), (1833, 10864), (1974, 10088), (2037, 9776), (2184, 9118), (2256, 8827), (2328, 8554), (2444, 8148), (2522, 7896), (2632, 7566), (2716, 7332), (3666, 5432), (3783, 5264), (3948, 5044), (4074, 4888), (4277, 4656), (4368, 4559)]