19901662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 14934818

約数列:

[1, 2, 11, 17, 22, 34, 127, 187, 254, 374, 419, 838, 1397, 2159, 2794, 4318, 4609, 7123, 9218, 14246, 23749, 47498, 53213, 78353, 106426, 156706, 585343, 904621, 1170686, 1809242, 9950831, 19901662]

約数ペア:

[(1, 19901662), (2, 9950831), (11, 1809242), (17, 1170686), (22, 904621), (34, 585343), (127, 156706), (187, 106426), (254, 78353), (374, 53213), (419, 47498), (838, 23749), (1397, 14246), (2159, 9218), (2794, 7123), (4318, 4609)]