186408020

素因数分解:

$2^2\times 5^1\times {\mathrm{2371}}^1\times {\mathrm{3931}}^1$

素因数の和:6311

約数の個数: 24

約数和(自身を含む): 391721568

約数和(自身を除く): 205313548

約数列:

[1, 2, 4, 5, 10, 20, 2371, 3931, 4742, 7862, 9484, 11855, 15724, 19655, 23710, 39310, 47420, 78620, 9320401, 18640802, 37281604, 46602005, 93204010, 186408020]

約数ペア:

[(1, 186408020), (2, 93204010), (4, 46602005), (5, 37281604), (10, 18640802), (20, 9320401), (2371, 78620), (3931, 47420), (4742, 39310), (7862, 23710), (9484, 19655), (11855, 15724)]