18279885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{7211}}^1$

素因数の和:7245

約数の個数: 24

約数和(自身を含む): 31675104

約数和(自身を除く): 13395219

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 507, 845, 2535, 7211, 21633, 36055, 93743, 108165, 281229, 468715, 1218659, 1406145, 3655977, 6093295, 18279885]

約数ペア:

[(1, 18279885), (3, 6093295), (5, 3655977), (13, 1406145), (15, 1218659), (39, 468715), (65, 281229), (169, 108165), (195, 93743), (507, 36055), (845, 21633), (2535, 7211)]