18896163

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2591}}^1$

素因数の和:2635

約数の個数: 32

約数和(自身を含む): 31352832

約数和(自身を除く): 12456669

約数列:

[1, 3, 11, 13, 17, 33, 39, 51, 143, 187, 221, 429, 561, 663, 2431, 2591, 7293, 7773, 28501, 33683, 44047, 85503, 101049, 132141, 370513, 484517, 572611, 1111539, 1453551, 1717833, 6298721, 18896163]

約数ペア:

[(1, 18896163), (3, 6298721), (11, 1717833), (13, 1453551), (17, 1111539), (33, 572611), (39, 484517), (51, 370513), (143, 132141), (187, 101049), (221, 85503), (429, 44047), (561, 33683), (663, 28501), (2431, 7773), (2591, 7293)]