19640389941

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{419}}^1\times {\mathrm{127031}}^1$

素因数の和:127497

約数の個数: 24

約数和(自身を含む): 29130978240

約数和(自身を除く): 9490588299

約数列:

[1, 3, 9, 41, 123, 369, 419, 1257, 3771, 17179, 51537, 127031, 154611, 381093, 1143279, 5208271, 15624813, 46874439, 53225989, 159677967, 479033901, 2182265549, 6546796647, 19640389941]

約数ペア:

[(1, 19640389941), (3, 6546796647), (9, 2182265549), (41, 479033901), (123, 159677967), (369, 53225989), (419, 46874439), (1257, 15624813), (3771, 5208271), (17179, 1143279), (51537, 381093), (127031, 154611)]