19910877

素因数分解:

$3^1\times 7^1\times {\mathrm{739}}^1\times {\mathrm{1283}}^1$

素因数の和:2032

約数の個数: 16

約数和(自身を含む): 30405120

約数和(自身を除く): 10494243

約数列:

[1, 3, 7, 21, 739, 1283, 2217, 3849, 5173, 8981, 15519, 26943, 948137, 2844411, 6636959, 19910877]

約数ペア:

[(1, 19910877), (3, 6636959), (7, 2844411), (21, 948137), (739, 26943), (1283, 15519), (2217, 8981), (3849, 5173)]