18710890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170099}}^1$

素因数の和:170117

約数の個数: 16

約数和(自身を含む): 36741600

約数和(自身を除く): 18030710

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 170099, 340198, 850495, 1700990, 1871089, 3742178, 9355445, 18710890]

約数ペア:

[(1, 18710890), (2, 9355445), (5, 3742178), (10, 1871089), (11, 1700990), (22, 850495), (55, 340198), (110, 170099)]