2019901172

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{4019}}^1$

素因数の和:4448

約数の個数: 48

約数和(自身を含む): 3950856000

約数和(自身を除く): 1930954828

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 323, 389, 646, 778, 1292, 1556, 4019, 6613, 7391, 8038, 13226, 14782, 16076, 26452, 29564, 68323, 76361, 125647, 136646, 152722, 251294, 273292, 305444, 502588, 1298137, 1563391, 2596274, 3126782, 5192548, 6253564, 26577647, 29704429, 53155294, 59408858, 106310588, 118817716, 504975293, 1009950586, 2019901172]

約数ペア:

[(1, 2019901172), (2, 1009950586), (4, 504975293), (17, 118817716), (19, 106310588), (34, 59408858), (38, 53155294), (68, 29704429), (76, 26577647), (323, 6253564), (389, 5192548), (646, 3126782), (778, 2596274), (1292, 1563391), (1556, 1298137), (4019, 502588), (6613, 305444), (7391, 273292), (8038, 251294), (13226, 152722), (14782, 136646), (16076, 125647), (26452, 76361), (29564, 68323)]