18089968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2999}}^1$

素因数の和:3049

約数の個数: 40

約数和(自身を含む): 39060000

約数和(自身を除く): 20970032

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 104, 116, 208, 232, 377, 464, 754, 1508, 2999, 3016, 5998, 6032, 11996, 23992, 38987, 47984, 77974, 86971, 155948, 173942, 311896, 347884, 623792, 695768, 1130623, 1391536, 2261246, 4522492, 9044984, 18089968]

約数ペア:

[(1, 18089968), (2, 9044984), (4, 4522492), (8, 2261246), (13, 1391536), (16, 1130623), (26, 695768), (29, 623792), (52, 347884), (58, 311896), (104, 173942), (116, 155948), (208, 86971), (232, 77974), (377, 47984), (464, 38987), (754, 23992), (1508, 11996), (2999, 6032), (3016, 5998)]