18090680

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5449}}^1$

素因数の和:5543

約数の個数: 32

約数和(自身を含む): 41202000

約数和(自身を除く): 23111320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 5449, 10898, 21796, 27245, 43592, 54490, 108980, 217960, 452267, 904534, 1809068, 2261335, 3618136, 4522670, 9045340, 18090680]

約数ペア:

[(1, 18090680), (2, 9045340), (4, 4522670), (5, 3618136), (8, 2261335), (10, 1809068), (20, 904534), (40, 452267), (83, 217960), (166, 108980), (332, 54490), (415, 43592), (664, 27245), (830, 21796), (1660, 10898), (3320, 5449)]