2080494490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10949971}}^1$

素因数の和:10949997

約数の個数: 16

約数和(自身を含む): 3941989920

約数和(自身を除く): 1861495430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 10949971, 21899942, 54749855, 109499710, 208049449, 416098898, 1040247245, 2080494490]

約数ペア:

[(1, 2080494490), (2, 1040247245), (5, 416098898), (10, 208049449), (19, 109499710), (38, 54749855), (95, 21899942), (190, 10949971)]