19510361389

素因数分解:

${\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{571}}^1\times {\mathrm{863}}^1$

素因数の和:1605

約数の個数: 24

約数和(自身を含む): 20937616128

約数和(自身を除く): 1427254739

約数列:

[1, 17, 137, 289, 571, 863, 2329, 9707, 14671, 39593, 78227, 118231, 165019, 249407, 492773, 1329859, 2009927, 8377141, 22607603, 34168759, 67509901, 142411397, 1147668317, 19510361389]

約数ペア:

[(1, 19510361389), (17, 1147668317), (137, 142411397), (289, 67509901), (571, 34168759), (863, 22607603), (2329, 8377141), (9707, 2009927), (14671, 1329859), (39593, 492773), (78227, 249407), (118231, 165019)]