18715796

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38669}}^1$

素因数の和:38695

約数の個数: 18

約数和(自身を含む): 36001770

約数和(自身を除く): 17285974

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38669, 77338, 154676, 425359, 850718, 1701436, 4678949, 9357898, 18715796]

約数ペア:

[(1, 18715796), (2, 9357898), (4, 4678949), (11, 1701436), (22, 850718), (44, 425359), (121, 154676), (242, 77338), (484, 38669)]