1949069620

素因数分解:

$2^2\times 5^1\times {\mathrm{97453481}}^1$

素因数の和:97453490

約数の個数: 12

約数和(自身を含む): 4093046244

約数和(自身を除く): 2143976624

約数列:

[1, 2, 4, 5, 10, 20, 97453481, 194906962, 389813924, 487267405, 974534810, 1949069620]

約数ペア:

[(1, 1949069620), (2, 974534810), (4, 487267405), (5, 389813924), (10, 194906962), (20, 97453481)]