19860141

素因数分解:

$3^1\times 7^2\times {\mathrm{167}}^1\times {\mathrm{809}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 31026240

約数和(自身を除く): 11166099

約数列:

[1, 3, 7, 21, 49, 147, 167, 501, 809, 1169, 2427, 3507, 5663, 8183, 16989, 24549, 39641, 118923, 135103, 405309, 945721, 2837163, 6620047, 19860141]

約数ペア:

[(1, 19860141), (3, 6620047), (7, 2837163), (21, 945721), (49, 405309), (147, 135103), (167, 118923), (501, 39641), (809, 24549), (1169, 16989), (2427, 8183), (3507, 5663)]