19227747

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 72

約数和(自身を含む): 34933248

約数和(自身を除く): 15705501

約数列:

[1, 3, 7, 11, 21, 23, 33, 47, 49, 69, 77, 121, 141, 147, 161, 231, 253, 329, 363, 483, 517, 539, 759, 847, 987, 1081, 1127, 1551, 1617, 1771, 2303, 2541, 2783, 3243, 3381, 3619, 5313, 5687, 5929, 6909, 7567, 8349, 10857, 11891, 12397, 17061, 17787, 19481, 22701, 25333, 35673, 37191, 39809, 52969, 58443, 75999, 83237, 119427, 130801, 136367, 158907, 249711, 278663, 392403, 409101, 582659, 835989, 915607, 1747977, 2746821, 6409249, 19227747]

約数ペア:

[(1, 19227747), (3, 6409249), (7, 2746821), (11, 1747977), (21, 915607), (23, 835989), (33, 582659), (47, 409101), (49, 392403), (69, 278663), (77, 249711), (121, 158907), (141, 136367), (147, 130801), (161, 119427), (231, 83237), (253, 75999), (329, 58443), (363, 52969), (483, 39809), (517, 37191), (539, 35673), (759, 25333), (847, 22701), (987, 19481), (1081, 17787), (1127, 17061), (1551, 12397), (1617, 11891), (1771, 10857), (2303, 8349), (2541, 7567), (2783, 6909), (3243, 5929), (3381, 5687), (3619, 5313)]