17681968

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7039}}^1$

素因数の和:7204

約数の個数: 20

約数和(自身を含む): 34481920

約数和(自身を除く): 16799952

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7039, 14078, 28156, 56312, 112624, 1105123, 2210246, 4420492, 8840984, 17681968]

約数ペア:

[(1, 17681968), (2, 8840984), (4, 4420492), (8, 2210246), (16, 1105123), (157, 112624), (314, 56312), (628, 28156), (1256, 14078), (2512, 7039)]