18924399

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8513}}^1$

素因数の和:8551

約数の個数: 24

約数和(自身を含む): 30990960

約数和(自身を除く): 12066561

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 8513, 25539, 76617, 110669, 161747, 332007, 485241, 996021, 1455723, 2102711, 6308133, 18924399]

約数ペア:

[(1, 18924399), (3, 6308133), (9, 2102711), (13, 1455723), (19, 996021), (39, 485241), (57, 332007), (117, 161747), (171, 110669), (247, 76617), (741, 25539), (2223, 8513)]