18209640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3529}}^1$

素因数の和:3586

約数の個数: 64

約数和(自身を含む): 55915200

約数和(自身を除く): 37705560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 3529, 5160, 7058, 10587, 14116, 17645, 21174, 28232, 35290, 42348, 52935, 70580, 84696, 105870, 141160, 151747, 211740, 303494, 423480, 455241, 606988, 758735, 910482, 1213976, 1517470, 1820964, 2276205, 3034940, 3641928, 4552410, 6069880, 9104820, 18209640]

約数ペア:

[(1, 18209640), (2, 9104820), (3, 6069880), (4, 4552410), (5, 3641928), (6, 3034940), (8, 2276205), (10, 1820964), (12, 1517470), (15, 1213976), (20, 910482), (24, 758735), (30, 606988), (40, 455241), (43, 423480), (60, 303494), (86, 211740), (120, 151747), (129, 141160), (172, 105870), (215, 84696), (258, 70580), (344, 52935), (430, 42348), (516, 35290), (645, 28232), (860, 21174), (1032, 17645), (1290, 14116), (1720, 10587), (2580, 7058), (3529, 5160)]