1909840

素因数分解:

$2^4\times 5^1\times {\mathrm{23873}}^1$

素因数の和:23886

約数の個数: 20

約数和(自身を含む): 4440564

約数和(自身を除く): 2530724

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23873, 47746, 95492, 119365, 190984, 238730, 381968, 477460, 954920, 1909840]

約数ペア:

[(1, 1909840), (2, 954920), (4, 477460), (5, 381968), (8, 238730), (10, 190984), (16, 119365), (20, 95492), (40, 47746), (80, 23873)]