19410507

素因数分解:

$3^2\times {\mathrm{41}}^2\times {\mathrm{1283}}^1$

素因数の和:1371

約数の個数: 18

約数和(自身を含む): 28760316

約数和(自身を除く): 9349809

約数列:

[1, 3, 9, 41, 123, 369, 1283, 1681, 3849, 5043, 11547, 15129, 52603, 157809, 473427, 2156723, 6470169, 19410507]

約数ペア:

[(1, 19410507), (3, 6470169), (9, 2156723), (41, 473427), (123, 157809), (369, 52603), (1283, 15129), (1681, 11547), (3849, 5043)]