19681397

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:356

約数の個数: 16

約数和(自身を含む): 21403200

約数和(自身を除く): 1721803

約数列:

[1, 19, 59, 97, 181, 1121, 1843, 3439, 5723, 10679, 17557, 108737, 202901, 333583, 1035863, 19681397]

約数ペア:

[(1, 19681397), (19, 1035863), (59, 333583), (97, 202901), (181, 108737), (1121, 17557), (1843, 10679), (3439, 5723)]