2019489968

素因数分解:

$2^4\times {\mathrm{1231}}^1\times {\mathrm{102533}}^1$

素因数の和:103772

約数の個数: 20

約数和(自身を含む): 3915978528

約数和(自身を除く): 1896488560

約数列:

[1, 2, 4, 8, 16, 1231, 2462, 4924, 9848, 19696, 102533, 205066, 410132, 820264, 1640528, 126218123, 252436246, 504872492, 1009744984, 2019489968]

約数ペア:

[(1, 2019489968), (2, 1009744984), (4, 504872492), (8, 252436246), (16, 126218123), (1231, 1640528), (2462, 820264), (4924, 410132), (9848, 205066), (19696, 102533)]