18065676

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 43602944

約数和(自身を除く): 25537268

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 157, 172, 223, 258, 314, 446, 471, 516, 628, 669, 892, 942, 1338, 1884, 2676, 6751, 9589, 13502, 19178, 20253, 27004, 28767, 35011, 38356, 40506, 57534, 70022, 81012, 105033, 115068, 140044, 210066, 420132, 1505473, 3010946, 4516419, 6021892, 9032838, 18065676]

約数ペア:

[(1, 18065676), (2, 9032838), (3, 6021892), (4, 4516419), (6, 3010946), (12, 1505473), (43, 420132), (86, 210066), (129, 140044), (157, 115068), (172, 105033), (223, 81012), (258, 70022), (314, 57534), (446, 40506), (471, 38356), (516, 35011), (628, 28767), (669, 27004), (892, 20253), (942, 19178), (1338, 13502), (1884, 9589), (2676, 6751)]