19501713

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{263}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 35582976

約数和(自身を除く): 16081263

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 107, 231, 263, 321, 693, 749, 789, 963, 1177, 1841, 2247, 2367, 2893, 3531, 5523, 6741, 8239, 8679, 10593, 16569, 20251, 24717, 26037, 28141, 60753, 74151, 84423, 182259, 196987, 253269, 309551, 590961, 928653, 1772883, 2166857, 2785959, 6500571, 19501713]

約数ペア:

[(1, 19501713), (3, 6500571), (7, 2785959), (9, 2166857), (11, 1772883), (21, 928653), (33, 590961), (63, 309551), (77, 253269), (99, 196987), (107, 182259), (231, 84423), (263, 74151), (321, 60753), (693, 28141), (749, 26037), (789, 24717), (963, 20251), (1177, 16569), (1841, 10593), (2247, 8679), (2367, 8239), (2893, 6741), (3531, 5523)]