18057260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{349}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 41160000

約数和(自身を除く): 23102740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 349, 398, 698, 796, 995, 1396, 1745, 1990, 2587, 3490, 3980, 4537, 5174, 6980, 9074, 10348, 12935, 18148, 22685, 25870, 45370, 51740, 69451, 90740, 138902, 277804, 347255, 694510, 902863, 1389020, 1805726, 3611452, 4514315, 9028630, 18057260]

約数ペア:

[(1, 18057260), (2, 9028630), (4, 4514315), (5, 3611452), (10, 1805726), (13, 1389020), (20, 902863), (26, 694510), (52, 347255), (65, 277804), (130, 138902), (199, 90740), (260, 69451), (349, 51740), (398, 45370), (698, 25870), (796, 22685), (995, 18148), (1396, 12935), (1745, 10348), (1990, 9074), (2587, 6980), (3490, 5174), (3980, 4537)]