18868135

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2399}}^1$

素因数の和:2439

約数の個数: 24

約数和(自身を含む): 26812800

約数和(自身を除く): 7944665

約数列:

[1, 5, 11, 13, 55, 65, 121, 143, 605, 715, 1573, 2399, 7865, 11995, 26389, 31187, 131945, 155935, 290279, 343057, 1451395, 1715285, 3773627, 18868135]

約数ペア:

[(1, 18868135), (5, 3773627), (11, 1715285), (13, 1451395), (55, 343057), (65, 290279), (121, 155935), (143, 131945), (605, 31187), (715, 26389), (1573, 11995), (2399, 7865)]