18336717

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{229}}^1$

素因数の和:314

約数の個数: 48

約数和(自身を含む): 32148480

約数和(自身を除く): 13811763

約数列:

[1, 3, 7, 9, 21, 31, 41, 63, 93, 123, 217, 229, 279, 287, 369, 651, 687, 861, 1271, 1603, 1953, 2061, 2583, 3813, 4809, 7099, 8897, 9389, 11439, 14427, 21297, 26691, 28167, 49693, 63891, 65723, 80073, 84501, 149079, 197169, 291059, 447237, 591507, 873177, 2037413, 2619531, 6112239, 18336717]

約数ペア:

[(1, 18336717), (3, 6112239), (7, 2619531), (9, 2037413), (21, 873177), (31, 591507), (41, 447237), (63, 291059), (93, 197169), (123, 149079), (217, 84501), (229, 80073), (279, 65723), (287, 63891), (369, 49693), (651, 28167), (687, 26691), (861, 21297), (1271, 14427), (1603, 11439), (1953, 9389), (2061, 8897), (2583, 7099), (3813, 4809)]