19329940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138071}}^1$

素因数の和:138087

約数の個数: 24

約数和(自身を含む): 46392192

約数和(自身を除く): 27062252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138071, 276142, 552284, 690355, 966497, 1380710, 1932994, 2761420, 3865988, 4832485, 9664970, 19329940]

約数ペア:

[(1, 19329940), (2, 9664970), (4, 4832485), (5, 3865988), (7, 2761420), (10, 1932994), (14, 1380710), (20, 966497), (28, 690355), (35, 552284), (70, 276142), (140, 138071)]