18549080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42157}}^1$

素因数の和:42179

約数の個数: 32

約数和(自身を含む): 45530640

約数和(自身を除く): 26981560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42157, 84314, 168628, 210785, 337256, 421570, 463727, 843140, 927454, 1686280, 1854908, 2318635, 3709816, 4637270, 9274540, 18549080]

約数ペア:

[(1, 18549080), (2, 9274540), (4, 4637270), (5, 3709816), (8, 2318635), (10, 1854908), (11, 1686280), (20, 927454), (22, 843140), (40, 463727), (44, 421570), (55, 337256), (88, 210785), (110, 168628), (220, 84314), (440, 42157)]