1851820

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1747}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 3964464

約数和(自身を除く): 2112644

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1747, 3494, 6988, 8735, 17470, 34940, 92591, 185182, 370364, 462955, 925910, 1851820]

約数ペア:

[(1, 1851820), (2, 925910), (4, 462955), (5, 370364), (10, 185182), (20, 92591), (53, 34940), (106, 17470), (212, 8735), (265, 6988), (530, 3494), (1060, 1747)]