18763246

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^2\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 24

約数和(自身を含む): 29900736

約数和(自身を除く): 11137490

約数列:

[1, 2, 31, 47, 62, 94, 137, 274, 1457, 2209, 2914, 4247, 4418, 6439, 8494, 12878, 68479, 136958, 199609, 302633, 399218, 605266, 9381623, 18763246]

約数ペア:

[(1, 18763246), (2, 9381623), (31, 605266), (47, 399218), (62, 302633), (94, 199609), (137, 136958), (274, 68479), (1457, 12878), (2209, 8494), (2914, 6439), (4247, 4418)]