18897778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{677}}^1\times {\mathrm{821}}^1$

素因数の和:1517

約数の個数: 16

約数和(自身を含む): 30095064

約数和(自身を除く): 11197286

約数列:

[1, 2, 17, 34, 677, 821, 1354, 1642, 11509, 13957, 23018, 27914, 555817, 1111634, 9448889, 18897778]

約数ペア:

[(1, 18897778), (2, 9448889), (17, 1111634), (34, 555817), (677, 27914), (821, 23018), (1354, 13957), (1642, 11509)]