19405156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{821}}^1$

素因数の和:1155

約数の個数: 24

約数和(自身を含む): 35904960

約数和(自身を除く): 16499804

約数列:

[1, 2, 4, 19, 38, 76, 311, 622, 821, 1244, 1642, 3284, 5909, 11818, 15599, 23636, 31198, 62396, 255331, 510662, 1021324, 4851289, 9702578, 19405156]

約数ペア:

[(1, 19405156), (2, 9702578), (4, 4851289), (19, 1021324), (38, 510662), (76, 255331), (311, 62396), (622, 31198), (821, 23636), (1244, 15599), (1642, 11818), (3284, 5909)]