18396021

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{5441}}^1$

素因数の和:5481

約数の個数: 24

約数和(自身を含む): 29778624

約数和(自身を除く): 11382603

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 1127, 3381, 5441, 16323, 38087, 114261, 125143, 266609, 375429, 799827, 876001, 2628003, 6132007, 18396021]

約数ペア:

[(1, 18396021), (3, 6132007), (7, 2628003), (21, 876001), (23, 799827), (49, 375429), (69, 266609), (147, 125143), (161, 114261), (483, 38087), (1127, 16323), (3381, 5441)]