18229340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1723}}^1$

素因数の和:1778

約数の個数: 36

約数和(自身を含む): 40041624

約数和(自身を除く): 21812284

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1723, 2116, 2645, 3446, 5290, 6892, 8615, 10580, 17230, 34460, 39629, 79258, 158516, 198145, 396290, 792580, 911467, 1822934, 3645868, 4557335, 9114670, 18229340]

約数ペア:

[(1, 18229340), (2, 9114670), (4, 4557335), (5, 3645868), (10, 1822934), (20, 911467), (23, 792580), (46, 396290), (92, 198145), (115, 158516), (230, 79258), (460, 39629), (529, 34460), (1058, 17230), (1723, 10580), (2116, 8615), (2645, 6892), (3446, 5290)]