18928686

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1$

素因数の和:325

約数の個数: 64

約数和(自身を含む): 45416448

約数和(自身を除く): 26487762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 47, 86, 94, 129, 141, 223, 258, 282, 301, 329, 446, 602, 658, 669, 903, 987, 1338, 1561, 1806, 1974, 2021, 3122, 4042, 4683, 6063, 9366, 9589, 10481, 12126, 14147, 19178, 20962, 28294, 28767, 31443, 42441, 57534, 62886, 67123, 73367, 84882, 134246, 146734, 201369, 220101, 402738, 440202, 450683, 901366, 1352049, 2704098, 3154781, 6309562, 9464343, 18928686]

約数ペア:

[(1, 18928686), (2, 9464343), (3, 6309562), (6, 3154781), (7, 2704098), (14, 1352049), (21, 901366), (42, 450683), (43, 440202), (47, 402738), (86, 220101), (94, 201369), (129, 146734), (141, 134246), (223, 84882), (258, 73367), (282, 67123), (301, 62886), (329, 57534), (446, 42441), (602, 31443), (658, 28767), (669, 28294), (903, 20962), (987, 19178), (1338, 14147), (1561, 12126), (1806, 10481), (1974, 9589), (2021, 9366), (3122, 6063), (4042, 4683)]