19646485

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 26231040

約数和(自身を除く): 6584555

約数列:

[1, 5, 23, 29, 43, 115, 137, 145, 215, 667, 685, 989, 1247, 3151, 3335, 3973, 4945, 5891, 6235, 15755, 19865, 28681, 29455, 91379, 135493, 143405, 170839, 456895, 677465, 854195, 3929297, 19646485]

約数ペア:

[(1, 19646485), (5, 3929297), (23, 854195), (29, 677465), (43, 456895), (115, 170839), (137, 143405), (145, 135493), (215, 91379), (667, 29455), (685, 28681), (989, 19865), (1247, 15755), (3151, 6235), (3335, 5891), (3973, 4945)]