18386505

素因数分解:

$3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{3119}}^1$

素因数の和:3261

約数の個数: 24

約数和(自身を含む): 32123520

約数和(自身を除く): 13737015

約数列:

[1, 3, 5, 9, 15, 45, 131, 393, 655, 1179, 1965, 3119, 5895, 9357, 15595, 28071, 46785, 140355, 408589, 1225767, 2042945, 3677301, 6128835, 18386505]

約数ペア:

[(1, 18386505), (3, 6128835), (5, 3677301), (9, 2042945), (15, 1225767), (45, 408589), (131, 140355), (393, 46785), (655, 28071), (1179, 15595), (1965, 9357), (3119, 5895)]