18497020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54403}}^1$

素因数の和:54429

約数の個数: 24

約数和(自身を含む): 41129424

約数和(自身を除く): 22632404

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54403, 108806, 217612, 272015, 544030, 924851, 1088060, 1849702, 3699404, 4624255, 9248510, 18497020]

約数ペア:

[(1, 18497020), (2, 9248510), (4, 4624255), (5, 3699404), (10, 1849702), (17, 1088060), (20, 924851), (34, 544030), (68, 272015), (85, 217612), (170, 108806), (340, 54403)]