18023121

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 28093440

約数和(自身を除く): 10070319

約数列:

[1, 3, 9, 27, 31, 61, 93, 183, 279, 353, 549, 837, 1059, 1647, 1891, 3177, 5673, 9531, 10943, 17019, 21533, 32829, 51057, 64599, 98487, 193797, 295461, 581391, 667523, 2002569, 6007707, 18023121]

約数ペア:

[(1, 18023121), (3, 6007707), (9, 2002569), (27, 667523), (31, 581391), (61, 295461), (93, 193797), (183, 98487), (279, 64599), (353, 51057), (549, 32829), (837, 21533), (1059, 17019), (1647, 10943), (1891, 9531), (3177, 5673)]