16961956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{991}}^1$

素因数の和:1395

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 15535964

約数列:

[1, 2, 4, 11, 22, 44, 389, 778, 991, 1556, 1982, 3964, 4279, 8558, 10901, 17116, 21802, 43604, 385499, 770998, 1541996, 4240489, 8480978, 16961956]

約数ペア:

[(1, 16961956), (2, 8480978), (4, 4240489), (11, 1541996), (22, 770998), (44, 385499), (389, 43604), (778, 21802), (991, 17116), (1556, 10901), (1982, 8558), (3964, 4279)]