19065820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23251}}^1$

素因数の和:23301

約数の個数: 24

約数和(自身を含む): 41016528

約数和(自身を除く): 21950708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23251, 46502, 93004, 116255, 232510, 465020, 953291, 1906582, 3813164, 4766455, 9532910, 19065820]

約数ペア:

[(1, 19065820), (2, 9532910), (4, 4766455), (5, 3813164), (10, 1906582), (20, 953291), (41, 465020), (82, 232510), (164, 116255), (205, 93004), (410, 46502), (820, 23251)]