18754821

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{10067}}^1$

素因数の和:10102

約数の個数: 20

約数和(自身を含む): 29237472

約数和(自身を除く): 10482651

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 10067, 30201, 90603, 231541, 271809, 694623, 815427, 2083869, 6251607, 18754821]

約数ペア:

[(1, 18754821), (3, 6251607), (9, 2083869), (23, 815427), (27, 694623), (69, 271809), (81, 231541), (207, 90603), (621, 30201), (1863, 10067)]