18194900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3433}}^1$

素因数の和:3500

約数の個数: 36

約数和(自身を含む): 40239612

約数和(自身を除く): 22044712

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3433, 5300, 6866, 13732, 17165, 34330, 68660, 85825, 171650, 181949, 343300, 363898, 727796, 909745, 1819490, 3638980, 4548725, 9097450, 18194900]

約数ペア:

[(1, 18194900), (2, 9097450), (4, 4548725), (5, 3638980), (10, 1819490), (20, 909745), (25, 727796), (50, 363898), (53, 343300), (100, 181949), (106, 171650), (212, 85825), (265, 68660), (530, 34330), (1060, 17165), (1325, 13732), (2650, 6866), (3433, 5300)]