20189710078

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{367}}^1\times {\mathrm{518989}}^1$

素因数の和:519411

約数の個数: 16

約数和(自身を含む): 30940107840

約数和(自身を除く): 10750397762

約数列:

[1, 2, 53, 106, 367, 734, 19451, 38902, 518989, 1037978, 27506417, 55012834, 190468963, 380937926, 10094855039, 20189710078]

約数ペア:

[(1, 20189710078), (2, 10094855039), (53, 380937926), (106, 190468963), (367, 55012834), (734, 27506417), (19451, 1037978), (38902, 518989)]