18356254

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{523}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 33200640

約数和(自身を除く): 14844386

約数列:

[1, 2, 7, 14, 23, 46, 109, 161, 218, 322, 523, 763, 1046, 1526, 2507, 3661, 5014, 7322, 12029, 17549, 24058, 35098, 57007, 84203, 114014, 168406, 399049, 798098, 1311161, 2622322, 9178127, 18356254]

約数ペア:

[(1, 18356254), (2, 9178127), (7, 2622322), (14, 1311161), (23, 798098), (46, 399049), (109, 168406), (161, 114014), (218, 84203), (322, 57007), (523, 35098), (763, 24058), (1046, 17549), (1526, 12029), (2507, 7322), (3661, 5014)]