19328139

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{5077}}^1$

素因数の和:5136

約数の個数: 20

約数和(自身を含む): 29493024

約数和(自身を除く): 10164885

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 5077, 15231, 45693, 137079, 238619, 411237, 715857, 2147571, 6442713, 19328139]

約数ペア:

[(1, 19328139), (3, 6442713), (9, 2147571), (27, 715857), (47, 411237), (81, 238619), (141, 137079), (423, 45693), (1269, 15231), (3807, 5077)]