1900989880

素因数分解:

$2^3\times 5^1\times {\mathrm{47524747}}^1$

素因数の和:47524758

約数の個数: 16

約数和(自身を含む): 4277227320

約数和(自身を除く): 2376237440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47524747, 95049494, 190098988, 237623735, 380197976, 475247470, 950494940, 1900989880]

約数ペア:

[(1, 1900989880), (2, 950494940), (4, 475247470), (5, 380197976), (8, 237623735), (10, 190098988), (20, 95049494), (40, 47524747)]