19990910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3779}}^1$

素因数の和:3832

約数の個数: 24

約数和(自身を含む): 37626120

約数和(自身を除く): 17635210

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2645, 3779, 5290, 7558, 18895, 37790, 86917, 173834, 434585, 869170, 1999091, 3998182, 9995455, 19990910]

約数ペア:

[(1, 19990910), (2, 9995455), (5, 3998182), (10, 1999091), (23, 869170), (46, 434585), (115, 173834), (230, 86917), (529, 37790), (1058, 18895), (2645, 7558), (3779, 5290)]