188021290

素因数分解:

$2^1\times 5^1\times {\mathrm{911}}^1\times {\mathrm{20639}}^1$

素因数の和:21557

約数の個数: 16

約数和(自身を含む): 338826240

約数和(自身を除く): 150804950

約数列:

[1, 2, 5, 10, 911, 1822, 4555, 9110, 20639, 41278, 103195, 206390, 18802129, 37604258, 94010645, 188021290]

約数ペア:

[(1, 188021290), (2, 94010645), (5, 37604258), (10, 18802129), (911, 206390), (1822, 103195), (4555, 41278), (9110, 20639)]