18240508

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{223}}^1$

素因数の和:275

約数の個数: 54

約数和(自身を含む): 38163552

約数和(自身を除く): 19923044

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 169, 223, 242, 286, 338, 446, 484, 572, 676, 892, 1573, 1859, 2453, 2899, 3146, 3718, 4906, 5798, 6292, 7436, 9812, 11596, 20449, 26983, 31889, 37687, 40898, 53966, 63778, 75374, 81796, 107932, 127556, 150748, 350779, 414557, 701558, 829114, 1403116, 1658228, 4560127, 9120254, 18240508]

約数ペア:

[(1, 18240508), (2, 9120254), (4, 4560127), (11, 1658228), (13, 1403116), (22, 829114), (26, 701558), (44, 414557), (52, 350779), (121, 150748), (143, 127556), (169, 107932), (223, 81796), (242, 75374), (286, 63778), (338, 53966), (446, 40898), (484, 37687), (572, 31889), (676, 26983), (892, 20449), (1573, 11596), (1859, 9812), (2453, 7436), (2899, 6292), (3146, 5798), (3718, 4906)]