18715268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{32719}}^1$

素因数の和:32747

約数の個数: 24

約数和(自身を含む): 38478720

約数和(自身を除く): 19763452

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 32719, 65438, 130876, 359909, 425347, 719818, 850694, 1439636, 1701388, 4678817, 9357634, 18715268]

約数ペア:

[(1, 18715268), (2, 9357634), (4, 4678817), (11, 1701388), (13, 1439636), (22, 850694), (26, 719818), (44, 425347), (52, 359909), (143, 130876), (286, 65438), (572, 32719)]