19802778

素因数分解:

$2^1\times 3^1\times {\mathrm{419}}^1\times {\mathrm{7877}}^1$

素因数の和:8301

約数の個数: 16

約数和(自身を含む): 39705120

約数和(自身を除く): 19902342

約数列:

[1, 2, 3, 6, 419, 838, 1257, 2514, 7877, 15754, 23631, 47262, 3300463, 6600926, 9901389, 19802778]

約数ペア:

[(1, 19802778), (2, 9901389), (3, 6600926), (6, 3300463), (419, 47262), (838, 23631), (1257, 15754), (2514, 7877)]