19080980

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1291}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 40155360

約数和(自身を除く): 21074380

約数列:

[1, 2, 4, 5, 10, 20, 739, 1291, 1478, 2582, 2956, 3695, 5164, 6455, 7390, 12910, 14780, 25820, 954049, 1908098, 3816196, 4770245, 9540490, 19080980]

約数ペア:

[(1, 19080980), (2, 9540490), (4, 4770245), (5, 3816196), (10, 1908098), (20, 954049), (739, 25820), (1291, 14780), (1478, 12910), (2582, 7390), (2956, 6455), (3695, 5164)]