18436432

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 45211392

約数和(自身を除く): 26774960

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 34, 46, 56, 68, 92, 112, 119, 136, 161, 184, 238, 272, 322, 368, 391, 421, 476, 644, 782, 842, 952, 1288, 1564, 1684, 1904, 2576, 2737, 2947, 3128, 3368, 5474, 5894, 6256, 6736, 7157, 9683, 10948, 11788, 14314, 19366, 21896, 23576, 28628, 38732, 43792, 47152, 50099, 57256, 67781, 77464, 100198, 114512, 135562, 154928, 164611, 200396, 271124, 329222, 400792, 542248, 658444, 801584, 1084496, 1152277, 1316888, 2304554, 2633776, 4609108, 9218216, 18436432]

約数ペア:

[(1, 18436432), (2, 9218216), (4, 4609108), (7, 2633776), (8, 2304554), (14, 1316888), (16, 1152277), (17, 1084496), (23, 801584), (28, 658444), (34, 542248), (46, 400792), (56, 329222), (68, 271124), (92, 200396), (112, 164611), (119, 154928), (136, 135562), (161, 114512), (184, 100198), (238, 77464), (272, 67781), (322, 57256), (368, 50099), (391, 47152), (421, 43792), (476, 38732), (644, 28628), (782, 23576), (842, 21896), (952, 19366), (1288, 14314), (1564, 11788), (1684, 10948), (1904, 9683), (2576, 7157), (2737, 6736), (2947, 6256), (3128, 5894), (3368, 5474)]