19172121549

素因数分解:

$3^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1033}}^1\times {\mathrm{6959}}^1$

素因数の和:8129

約数の個数: 32

約数和(自身を含む): 29477437440

約数和(自身を除く): 10305315891

約数列:

[1, 3, 7, 21, 127, 381, 889, 1033, 2667, 3099, 6959, 7231, 20877, 21693, 48713, 131191, 146139, 393573, 883793, 918337, 2651379, 2755011, 6186551, 7188647, 18559653, 21565941, 50320529, 150961587, 912958169, 2738874507, 6390707183, 19172121549]

約数ペア:

[(1, 19172121549), (3, 6390707183), (7, 2738874507), (21, 912958169), (127, 150961587), (381, 50320529), (889, 21565941), (1033, 18559653), (2667, 7188647), (3099, 6186551), (6959, 2755011), (7231, 2651379), (20877, 918337), (21693, 883793), (48713, 393573), (131191, 146139)]