18231507

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5077}}^1$

素因数の和:5112

約数の個数: 32

約数和(自身を含む): 32499200

約数和(自身を除く): 14267693

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5077, 15231, 35539, 45693, 96463, 106617, 137079, 289389, 319851, 675241, 868167, 959553, 2025723, 2604501, 6077169, 18231507]

約数ペア:

[(1, 18231507), (3, 6077169), (7, 2604501), (9, 2025723), (19, 959553), (21, 868167), (27, 675241), (57, 319851), (63, 289389), (133, 137079), (171, 106617), (189, 96463), (399, 45693), (513, 35539), (1197, 15231), (3591, 5077)]