18321870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2029}}^1$

素因数の和:2089

約数の個数: 64

約数和(自身を含む): 51448320

約数和(自身を除く): 33126450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 2029, 3010, 4058, 4515, 6087, 9030, 10145, 12174, 14203, 20290, 28406, 30435, 42609, 60870, 71015, 85218, 87247, 142030, 174494, 213045, 261741, 426090, 436235, 523482, 610729, 872470, 1221458, 1308705, 1832187, 2617410, 3053645, 3664374, 6107290, 9160935, 18321870]

約数ペア:

[(1, 18321870), (2, 9160935), (3, 6107290), (5, 3664374), (6, 3053645), (7, 2617410), (10, 1832187), (14, 1308705), (15, 1221458), (21, 872470), (30, 610729), (35, 523482), (42, 436235), (43, 426090), (70, 261741), (86, 213045), (105, 174494), (129, 142030), (210, 87247), (215, 85218), (258, 71015), (301, 60870), (430, 42609), (602, 30435), (645, 28406), (903, 20290), (1290, 14203), (1505, 12174), (1806, 10145), (2029, 9030), (3010, 6087), (4058, 4515)]