18844852

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 36

約数和(自身を含む): 36375276

約数和(自身を除く): 17530424

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 169, 244, 338, 457, 676, 793, 914, 1586, 1828, 3172, 5941, 10309, 11882, 20618, 23764, 27877, 41236, 55754, 77233, 111508, 154466, 308932, 362401, 724802, 1449604, 4711213, 9422426, 18844852]

約数ペア:

[(1, 18844852), (2, 9422426), (4, 4711213), (13, 1449604), (26, 724802), (52, 362401), (61, 308932), (122, 154466), (169, 111508), (244, 77233), (338, 55754), (457, 41236), (676, 27877), (793, 23764), (914, 20618), (1586, 11882), (1828, 10309), (3172, 5941)]