19909232642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{83423}}^1$

素因数の和:83642

約数の個数: 32

約数和(自身を含む): 32879734272

約数和(自身を除く): 12970501630

約数列:

[1, 2, 13, 26, 67, 134, 137, 274, 871, 1742, 1781, 3562, 9179, 18358, 83423, 119327, 166846, 238654, 1084499, 2168998, 5589341, 11178682, 11428951, 22857902, 72661433, 145322866, 148576363, 297152726, 765739717, 1531479434, 9954616321, 19909232642]

約数ペア:

[(1, 19909232642), (2, 9954616321), (13, 1531479434), (26, 765739717), (67, 297152726), (134, 148576363), (137, 145322866), (274, 72661433), (871, 22857902), (1742, 11428951), (1781, 11178682), (3562, 5589341), (9179, 2168998), (18358, 1084499), (83423, 238654), (119327, 166846)]