18511790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15299}}^1$

素因数の和:15328

約数の個数: 24

約数和(自身を含む): 36628200

約数和(自身を除く): 18116410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 15299, 30598, 76495, 152990, 168289, 336578, 841445, 1682890, 1851179, 3702358, 9255895, 18511790]

約数ペア:

[(1, 18511790), (2, 9255895), (5, 3702358), (10, 1851179), (11, 1682890), (22, 841445), (55, 336578), (110, 168289), (121, 152990), (242, 76495), (605, 30598), (1210, 15299)]