18447507

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17519}}^1$

素因数の和:17544

約数の個数: 20

約数和(自身を含む): 29678880

約数和(自身を除く): 11231373

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17519, 52557, 157671, 227747, 473013, 683241, 1419039, 2049723, 6149169, 18447507]

約数ペア:

[(1, 18447507), (3, 6149169), (9, 2049723), (13, 1419039), (27, 683241), (39, 473013), (81, 227747), (117, 157671), (351, 52557), (1053, 17519)]