2019487940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1216559}}^1$

素因数の和:1216651

約数の個数: 24

約数和(自身を含む): 4292023680

約数和(自身を除く): 2272535740

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 1216559, 2433118, 4866236, 6082795, 12165590, 24331180, 100974397, 201948794, 403897588, 504871985, 1009743970, 2019487940]

約数ペア:

[(1, 2019487940), (2, 1009743970), (4, 504871985), (5, 403897588), (10, 201948794), (20, 100974397), (83, 24331180), (166, 12165590), (332, 6082795), (415, 4866236), (830, 2433118), (1660, 1216559)]