18719889410

素因数分解:

$2^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{2258129}}^1$

素因数の和:2258965

約数の個数: 16

約数和(自身を含む): 33736462200

約数和(自身を除く): 15016572790

約数列:

[1, 2, 5, 10, 829, 1658, 4145, 8290, 2258129, 4516258, 11290645, 22581290, 1871988941, 3743977882, 9359944705, 18719889410]

約数ペア:

[(1, 18719889410), (2, 9359944705), (5, 3743977882), (10, 1871988941), (829, 22581290), (1658, 11290645), (4145, 4516258), (8290, 2258129)]