18328815

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{5903}}^1$

素因数の和:5940

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 15678225

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 115, 135, 207, 345, 621, 1035, 3105, 5903, 17709, 29515, 53127, 88545, 135769, 159381, 265635, 407307, 678845, 796905, 1221921, 2036535, 3665763, 6109605, 18328815]

約数ペア:

[(1, 18328815), (3, 6109605), (5, 3665763), (9, 2036535), (15, 1221921), (23, 796905), (27, 678845), (45, 407307), (69, 265635), (115, 159381), (135, 135769), (207, 88545), (345, 53127), (621, 29515), (1035, 17709), (3105, 5903)]