18721461

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{137}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 28377216

約数和(自身を除く): 9655755

約数列:

[1, 3, 11, 33, 41, 101, 123, 137, 303, 411, 451, 1111, 1353, 1507, 3333, 4141, 4521, 5617, 12423, 13837, 16851, 41511, 45551, 61787, 136653, 152207, 185361, 456621, 567317, 1701951, 6240487, 18721461]

約数ペア:

[(1, 18721461), (3, 6240487), (11, 1701951), (33, 567317), (41, 456621), (101, 185361), (123, 152207), (137, 136653), (303, 61787), (411, 45551), (451, 41511), (1111, 16851), (1353, 13837), (1507, 12423), (3333, 5617), (4141, 4521)]