18957968

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2897}}^1$

素因数の和:3314

約数の個数: 20

約数和(自身を含む): 36833580

約数和(自身を除く): 17875612

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 2897, 3272, 5794, 6544, 11588, 23176, 46352, 1184873, 2369746, 4739492, 9478984, 18957968]

約数ペア:

[(1, 18957968), (2, 9478984), (4, 4739492), (8, 2369746), (16, 1184873), (409, 46352), (818, 23176), (1636, 11588), (2897, 6544), (3272, 5794)]