18082480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17387}}^1$

素因数の和:17413

約数の個数: 40

約数和(自身を含む): 45278352

約数和(自身を除く): 27195872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 17387, 34774, 69548, 86935, 139096, 173870, 226031, 278192, 347740, 452062, 695480, 904124, 1130155, 1390960, 1808248, 2260310, 3616496, 4520620, 9041240, 18082480]

約数ペア:

[(1, 18082480), (2, 9041240), (4, 4520620), (5, 3616496), (8, 2260310), (10, 1808248), (13, 1390960), (16, 1130155), (20, 904124), (26, 695480), (40, 452062), (52, 347740), (65, 278192), (80, 226031), (104, 173870), (130, 139096), (208, 86935), (260, 69548), (520, 34774), (1040, 17387)]