19297593

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 33825792

約数和(自身を除く): 14528199

約数列:

[1, 3, 7, 9, 21, 31, 41, 63, 93, 123, 217, 241, 279, 287, 369, 651, 723, 861, 1271, 1687, 1953, 2169, 2583, 3813, 5061, 7471, 8897, 9881, 11439, 15183, 22413, 26691, 29643, 52297, 67239, 69167, 80073, 88929, 156891, 207501, 306311, 470673, 622503, 918933, 2144177, 2756799, 6432531, 19297593]

約数ペア:

[(1, 19297593), (3, 6432531), (7, 2756799), (9, 2144177), (21, 918933), (31, 622503), (41, 470673), (63, 306311), (93, 207501), (123, 156891), (217, 88929), (241, 80073), (279, 69167), (287, 67239), (369, 52297), (651, 29643), (723, 26691), (861, 22413), (1271, 15183), (1687, 11439), (1953, 9881), (2169, 8897), (2583, 7471), (3813, 5061)]