18261165

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2531}}^1$

素因数の和:2589

約数の個数: 32

約数和(自身を含む): 32328576

約数和(自身を除く): 14067411

約数列:

[1, 3, 5, 13, 15, 37, 39, 65, 111, 185, 195, 481, 555, 1443, 2405, 2531, 7215, 7593, 12655, 32903, 37965, 93647, 98709, 164515, 280941, 468235, 493545, 1217411, 1404705, 3652233, 6087055, 18261165]

約数ペア:

[(1, 18261165), (3, 6087055), (5, 3652233), (13, 1404705), (15, 1217411), (37, 493545), (39, 468235), (65, 280941), (111, 164515), (185, 98709), (195, 93647), (481, 37965), (555, 32903), (1443, 12655), (2405, 7593), (2531, 7215)]