18742568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10601}}^1$

素因数の和:10637

約数の個数: 32

約数和(自身を含む): 40075560

約数和(自身を除く): 21332992

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10601, 21202, 42404, 84808, 137813, 180217, 275626, 360434, 551252, 720868, 1102504, 1441736, 2342821, 4685642, 9371284, 18742568]

約数ペア:

[(1, 18742568), (2, 9371284), (4, 4685642), (8, 2342821), (13, 1441736), (17, 1102504), (26, 720868), (34, 551252), (52, 360434), (68, 275626), (104, 180217), (136, 137813), (221, 84808), (442, 42404), (884, 21202), (1768, 10601)]