18929427

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:283

約数の個数: 32

約数和(自身を含む): 28615680

約数和(自身を除く): 9686253

約数列:

[1, 3, 11, 33, 53, 79, 137, 159, 237, 411, 583, 869, 1507, 1749, 2607, 4187, 4521, 7261, 10823, 12561, 21783, 32469, 46057, 79871, 119053, 138171, 239613, 357159, 573619, 1720857, 6309809, 18929427]

約数ペア:

[(1, 18929427), (3, 6309809), (11, 1720857), (33, 573619), (53, 357159), (79, 239613), (137, 138171), (159, 119053), (237, 79871), (411, 46057), (583, 32469), (869, 21783), (1507, 12561), (1749, 10823), (2607, 7261), (4187, 4521)]