18217336

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 20662664

約数列:

[1, 2, 4, 8, 17, 29, 31, 34, 58, 62, 68, 116, 124, 136, 149, 232, 248, 298, 493, 527, 596, 899, 986, 1054, 1192, 1798, 1972, 2108, 2533, 3596, 3944, 4216, 4321, 4619, 5066, 7192, 8642, 9238, 10132, 15283, 17284, 18476, 20264, 30566, 34568, 36952, 61132, 73457, 78523, 122264, 133951, 146914, 157046, 267902, 293828, 314092, 535804, 587656, 628184, 1071608, 2277167, 4554334, 9108668, 18217336]

約数ペア:

[(1, 18217336), (2, 9108668), (4, 4554334), (8, 2277167), (17, 1071608), (29, 628184), (31, 587656), (34, 535804), (58, 314092), (62, 293828), (68, 267902), (116, 157046), (124, 146914), (136, 133951), (149, 122264), (232, 78523), (248, 73457), (298, 61132), (493, 36952), (527, 34568), (596, 30566), (899, 20264), (986, 18476), (1054, 17284), (1192, 15283), (1798, 10132), (1972, 9238), (2108, 8642), (2533, 7192), (3596, 5066), (3944, 4619), (4216, 4321)]