18405838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{12487}}^1$

素因数の和:12567

約数の個数: 16

約数和(自身を含む): 30570624

約数和(自身を除く): 12164786

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 12487, 24974, 137357, 274714, 836629, 1673258, 9202919, 18405838]

約数ペア:

[(1, 18405838), (2, 9202919), (11, 1673258), (22, 836629), (67, 274714), (134, 137357), (737, 24974), (1474, 12487)]