18363380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{4523}}^1$

素因数の和:4568

約数の個数: 48

約数和(自身を含む): 45601920

約数和(自身を除く): 27238540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 4523, 9046, 18092, 22615, 31661, 45230, 63322, 90460, 126644, 131167, 158305, 262334, 316610, 524668, 633220, 655835, 918169, 1311670, 1836338, 2623340, 3672676, 4590845, 9181690, 18363380]

約数ペア:

[(1, 18363380), (2, 9181690), (4, 4590845), (5, 3672676), (7, 2623340), (10, 1836338), (14, 1311670), (20, 918169), (28, 655835), (29, 633220), (35, 524668), (58, 316610), (70, 262334), (116, 158305), (140, 131167), (145, 126644), (203, 90460), (290, 63322), (406, 45230), (580, 31661), (812, 22615), (1015, 18092), (2030, 9046), (4060, 4523)]