19125197

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2879}}^1$

素因数の和:2972

約数の個数: 16

約数和(自身を含む): 23869440

約数和(自身を除く): 4744243

約数列:

[1, 7, 13, 73, 91, 511, 949, 2879, 6643, 20153, 37427, 210167, 261989, 1471169, 2732171, 19125197]

約数ペア:

[(1, 19125197), (7, 2732171), (13, 1471169), (73, 261989), (91, 210167), (511, 37427), (949, 20153), (2879, 6643)]