18239858

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 48

約数和(自身を含む): 34856640

約数和(自身を除く): 16616782

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 103, 139, 182, 206, 278, 637, 721, 973, 1274, 1339, 1442, 1807, 1946, 2678, 3614, 5047, 6811, 9373, 10094, 12649, 13622, 14317, 18746, 25298, 28634, 65611, 88543, 100219, 131222, 177086, 186121, 200438, 372242, 701533, 1302847, 1403066, 2605694, 9119929, 18239858]

約数ペア:

[(1, 18239858), (2, 9119929), (7, 2605694), (13, 1403066), (14, 1302847), (26, 701533), (49, 372242), (91, 200438), (98, 186121), (103, 177086), (139, 131222), (182, 100219), (206, 88543), (278, 65611), (637, 28634), (721, 25298), (973, 18746), (1274, 14317), (1339, 13622), (1442, 12649), (1807, 10094), (1946, 9373), (2678, 6811), (3614, 5047)]