19038160

素因数分解:

$2^4\times 5^1\times {\mathrm{237977}}^1$

素因数の和:237990

約数の個数: 20

約数和(自身を含む): 44263908

約数和(自身を除く): 25225748

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 237977, 475954, 951908, 1189885, 1903816, 2379770, 3807632, 4759540, 9519080, 19038160]

約数ペア:

[(1, 19038160), (2, 9519080), (4, 4759540), (5, 3807632), (8, 2379770), (10, 1903816), (16, 1189885), (20, 951908), (40, 475954), (80, 237977)]