19770597

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{607}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 36421632

約数和(自身を除く): 16651035

約数列:

[1, 3, 7, 9, 11, 21, 33, 47, 63, 77, 99, 141, 231, 329, 423, 517, 607, 693, 987, 1551, 1821, 2961, 3619, 4249, 4653, 5463, 6677, 10857, 12747, 20031, 28529, 32571, 38241, 46739, 60093, 85587, 140217, 199703, 256761, 313819, 420651, 599109, 941457, 1797327, 2196733, 2824371, 6590199, 19770597]

約数ペア:

[(1, 19770597), (3, 6590199), (7, 2824371), (9, 2196733), (11, 1797327), (21, 941457), (33, 599109), (47, 420651), (63, 313819), (77, 256761), (99, 199703), (141, 140217), (231, 85587), (329, 60093), (423, 46739), (517, 38241), (607, 32571), (693, 28529), (987, 20031), (1551, 12747), (1821, 10857), (2961, 6677), (3619, 5463), (4249, 4653)]