18536985

素因数分解:

$3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2251}}^1$

素因数の和:2326

約数の個数: 32

約数和(自身を含む): 33509760

約数和(自身を除く): 14972775

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 135, 183, 305, 549, 915, 1647, 2251, 2745, 6753, 8235, 11255, 20259, 33765, 60777, 101295, 137311, 303885, 411933, 686555, 1235799, 2059665, 3707397, 6178995, 18536985]

約数ペア:

[(1, 18536985), (3, 6178995), (5, 3707397), (9, 2059665), (15, 1235799), (27, 686555), (45, 411933), (61, 303885), (135, 137311), (183, 101295), (305, 60777), (549, 33765), (915, 20259), (1647, 11255), (2251, 8235), (2745, 6753)]