19906471

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{971}}^1$

素因数の和:1086

約数の個数: 16

約数和(自身を含む): 22861440

約数和(自身を除く): 2954969

約数列:

[1, 13, 19, 83, 247, 971, 1079, 1577, 12623, 18449, 20501, 80593, 239837, 1047709, 1531267, 19906471]

約数ペア:

[(1, 19906471), (13, 1531267), (19, 1047709), (83, 239837), (247, 80593), (971, 20501), (1079, 18449), (1577, 12623)]