19616877

素因数分解:

$3^3\times 7^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 33423360

約数和(自身を除く): 13806483

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 271, 383, 813, 1149, 1897, 2439, 2681, 3447, 5691, 7317, 8043, 10341, 17073, 24129, 51219, 72387, 103793, 311379, 726551, 934137, 2179653, 2802411, 6538959, 19616877]

約数ペア:

[(1, 19616877), (3, 6538959), (7, 2802411), (9, 2179653), (21, 934137), (27, 726551), (63, 311379), (189, 103793), (271, 72387), (383, 51219), (813, 24129), (1149, 17073), (1897, 10341), (2439, 8043), (2681, 7317), (3447, 5691)]