19630760

素因数分解:

$2^3\times 5^1\times {\mathrm{490769}}^1$

素因数の和:490780

約数の個数: 16

約数和(自身を含む): 44169300

約数和(自身を除く): 24538540

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 490769, 981538, 1963076, 2453845, 3926152, 4907690, 9815380, 19630760]

約数ペア:

[(1, 19630760), (2, 9815380), (4, 4907690), (5, 3926152), (8, 2453845), (10, 1963076), (20, 981538), (40, 490769)]