18788432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1531}}^1$

素因数の和:1611

約数の個数: 40

約数和(自身を含む): 39893280

約数和(自身を除く): 21104848

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 104, 118, 208, 236, 472, 767, 944, 1531, 1534, 3062, 3068, 6124, 6136, 12248, 12272, 19903, 24496, 39806, 79612, 90329, 159224, 180658, 318448, 361316, 722632, 1174277, 1445264, 2348554, 4697108, 9394216, 18788432]

約数ペア:

[(1, 18788432), (2, 9394216), (4, 4697108), (8, 2348554), (13, 1445264), (16, 1174277), (26, 722632), (52, 361316), (59, 318448), (104, 180658), (118, 159224), (208, 90329), (236, 79612), (472, 39806), (767, 24496), (944, 19903), (1531, 12272), (1534, 12248), (3062, 6136), (3068, 6124)]