18786020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5023}}^1$

素因数の和:5060

約数の個数: 48

約数和(自身を含む): 45577728

約数和(自身を除く): 26791708

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5023, 10046, 20092, 25115, 50230, 55253, 85391, 100460, 110506, 170782, 221012, 276265, 341564, 426955, 552530, 853910, 939301, 1105060, 1707820, 1878602, 3757204, 4696505, 9393010, 18786020]

約数ペア:

[(1, 18786020), (2, 9393010), (4, 4696505), (5, 3757204), (10, 1878602), (11, 1707820), (17, 1105060), (20, 939301), (22, 853910), (34, 552530), (44, 426955), (55, 341564), (68, 276265), (85, 221012), (110, 170782), (170, 110506), (187, 100460), (220, 85391), (340, 55253), (374, 50230), (748, 25115), (935, 20092), (1870, 10046), (3740, 5023)]