19881012

素因数分解:

$2^2\times 3^1\times {\mathrm{389}}^1\times {\mathrm{4259}}^1$

素因数の和:4655

約数の個数: 24

約数和(自身を含む): 46519200

約数和(自身を除く): 26638188

約数列:

[1, 2, 3, 4, 6, 12, 389, 778, 1167, 1556, 2334, 4259, 4668, 8518, 12777, 17036, 25554, 51108, 1656751, 3313502, 4970253, 6627004, 9940506, 19881012]

約数ペア:

[(1, 19881012), (2, 9940506), (3, 6627004), (4, 4970253), (6, 3313502), (12, 1656751), (389, 51108), (778, 25554), (1167, 17036), (1556, 12777), (2334, 8518), (4259, 4668)]