18993530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{44171}}^1$

素因数の和:44221

約数の個数: 16

約数和(自身を含む): 34984224

約数和(自身を除く): 15990694

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 44171, 88342, 220855, 441710, 1899353, 3798706, 9496765, 18993530]

約数ペア:

[(1, 18993530), (2, 9496765), (5, 3798706), (10, 1899353), (43, 441710), (86, 220855), (215, 88342), (430, 44171)]