19896357

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:621

約数の個数: 32

約数和(自身を含む): 30594816

約数和(自身を除く): 10698459

約数列:

[1, 3, 13, 23, 39, 41, 69, 123, 299, 533, 541, 897, 943, 1599, 1623, 2829, 7033, 12259, 12443, 21099, 22181, 36777, 37329, 66543, 161759, 288353, 485277, 510163, 865059, 1530489, 6632119, 19896357]

約数ペア:

[(1, 19896357), (3, 6632119), (13, 1530489), (23, 865059), (39, 510163), (41, 485277), (69, 288353), (123, 161759), (299, 66543), (533, 37329), (541, 36777), (897, 22181), (943, 21099), (1599, 12443), (1623, 12259), (2829, 7033)]