18209556

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{1213}}^1$

素因数の和:1365

約数の個数: 48

約数和(自身を含む): 47588800

約数和(自身を除く): 29379244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1213, 1251, 1668, 2426, 2502, 3639, 3753, 4852, 5004, 7278, 7506, 10917, 14556, 15012, 21834, 32751, 43668, 65502, 131004, 168607, 337214, 505821, 674428, 1011642, 1517463, 2023284, 3034926, 4552389, 6069852, 9104778, 18209556]

約数ペア:

[(1, 18209556), (2, 9104778), (3, 6069852), (4, 4552389), (6, 3034926), (9, 2023284), (12, 1517463), (18, 1011642), (27, 674428), (36, 505821), (54, 337214), (108, 168607), (139, 131004), (278, 65502), (417, 43668), (556, 32751), (834, 21834), (1213, 15012), (1251, 14556), (1668, 10917), (2426, 7506), (2502, 7278), (3639, 5004), (3753, 4852)]