18390345

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1759}}^1$

素因数の和:1825

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13543095

約数列:

[1, 3, 5, 15, 17, 41, 51, 85, 123, 205, 255, 615, 697, 1759, 2091, 3485, 5277, 8795, 10455, 26385, 29903, 72119, 89709, 149515, 216357, 360595, 448545, 1081785, 1226023, 3678069, 6130115, 18390345]

約数ペア:

[(1, 18390345), (3, 6130115), (5, 3678069), (15, 1226023), (17, 1081785), (41, 448545), (51, 360595), (85, 216357), (123, 149515), (205, 89709), (255, 72119), (615, 29903), (697, 26385), (1759, 10455), (2091, 8795), (3485, 5277)]