18347615

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{383}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 26320896

約数和(自身を除く): 7973281

約数列:

[1, 5, 11, 13, 55, 65, 67, 143, 335, 383, 715, 737, 871, 1915, 3685, 4213, 4355, 4979, 9581, 21065, 24895, 25661, 47905, 54769, 128305, 273845, 282271, 333593, 1411355, 1667965, 3669523, 18347615]

約数ペア:

[(1, 18347615), (5, 3669523), (11, 1667965), (13, 1411355), (55, 333593), (65, 282271), (67, 273845), (143, 128305), (335, 54769), (383, 47905), (715, 25661), (737, 24895), (871, 21065), (1915, 9581), (3685, 4979), (4213, 4355)]