18670911

素因数分解:

$3^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{809}}^1$

素因数の和:983

約数の個数: 24

約数和(自身を含む): 29179440

約数和(自身を除く): 10508529

約数列:

[1, 3, 7, 21, 49, 147, 157, 471, 809, 1099, 2427, 3297, 5663, 7693, 16989, 23079, 39641, 118923, 127013, 381039, 889091, 2667273, 6223637, 18670911]

約数ペア:

[(1, 18670911), (3, 6223637), (7, 2667273), (21, 889091), (49, 381039), (147, 127013), (157, 118923), (471, 39641), (809, 23079), (1099, 16989), (2427, 7693), (3297, 5663)]