19760181

素因数分解:

$3^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{587}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 30834720

約数和(自身を除く): 11074539

約数列:

[1, 3, 7, 21, 49, 147, 229, 587, 687, 1603, 1761, 4109, 4809, 11221, 12327, 28763, 33663, 86289, 134423, 403269, 940961, 2822883, 6586727, 19760181]

約数ペア:

[(1, 19760181), (3, 6586727), (7, 2822883), (21, 940961), (49, 403269), (147, 134423), (229, 86289), (587, 33663), (687, 28763), (1603, 12327), (1761, 11221), (4109, 4809)]