19641489

素因数分解:

$3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{1511}}^1$

素因数の和:2140

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 10356591

約数列:

[1, 3, 7, 21, 619, 1511, 1857, 4333, 4533, 10577, 12999, 31731, 935309, 2805927, 6547163, 19641489]

約数ペア:

[(1, 19641489), (3, 6547163), (7, 2805927), (21, 935309), (619, 31731), (1511, 12999), (1857, 10577), (4333, 4533)]