18220185

素因数分解:

$3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{3931}}^1$

素因数の和:4045

約数の個数: 24

約数和(自身を含む): 31896384

約数和(自身を除く): 13676199

約数列:

[1, 3, 5, 9, 15, 45, 103, 309, 515, 927, 1545, 3931, 4635, 11793, 19655, 35379, 58965, 176895, 404893, 1214679, 2024465, 3644037, 6073395, 18220185]

約数ペア:

[(1, 18220185), (3, 6073395), (5, 3644037), (9, 2024465), (15, 1214679), (45, 404893), (103, 176895), (309, 58965), (515, 35379), (927, 19655), (1545, 11793), (3931, 4635)]