18889910893

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{9277}}^1$

素因数の和:9613

約数の個数: 32

約数和(自身を含む): 23279021568

約数和(自身を除く): 4389110675

約数列:

[1, 7, 17, 71, 119, 241, 497, 1207, 1687, 4097, 8449, 9277, 17111, 28679, 64939, 119777, 157709, 290887, 658667, 1103963, 2036209, 2235757, 4610669, 11197339, 15650299, 38007869, 78381373, 158738747, 266055083, 1111171229, 2698558699, 18889910893]

約数ペア:

[(1, 18889910893), (7, 2698558699), (17, 1111171229), (71, 266055083), (119, 158738747), (241, 78381373), (497, 38007869), (1207, 15650299), (1687, 11197339), (4097, 4610669), (8449, 2235757), (9277, 2036209), (17111, 1103963), (28679, 658667), (64939, 290887), (119777, 157709)]