19011668

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{2243}}^1$

素因数の和:2423

約数の個数: 24

約数和(自身を含む): 36065568

約数和(自身を除く): 17053900

約数列:

[1, 2, 4, 13, 26, 52, 163, 326, 652, 2119, 2243, 4238, 4486, 8476, 8972, 29159, 58318, 116636, 365609, 731218, 1462436, 4752917, 9505834, 19011668]

約数ペア:

[(1, 19011668), (2, 9505834), (4, 4752917), (13, 1462436), (26, 731218), (52, 365609), (163, 116636), (326, 58318), (652, 29159), (2119, 8972), (2243, 8476), (4238, 4486)]