19842193

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:816

約数の個数: 16

約数和(自身を含む): 23431680

約数和(自身を除く): 3589487

約数列:

[1, 7, 53, 79, 371, 553, 677, 4187, 4739, 29309, 35881, 53483, 251167, 374381, 2834599, 19842193]

約数ペア:

[(1, 19842193), (7, 2834599), (53, 374381), (79, 251167), (371, 53483), (553, 35881), (677, 29309), (4187, 4739)]