19723722896

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{977}}^1\times {\mathrm{14177}}^1$

素因数の和:15251

約数の個数: 40

約数和(自身を含む): 38686374360

約数和(自身を除く): 18962651464

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 977, 1424, 1954, 3908, 7816, 14177, 15632, 28354, 56708, 86953, 113416, 173906, 226832, 347812, 695624, 1261753, 1391248, 2523506, 5047012, 10094024, 13850929, 20188048, 27701858, 55403716, 110807432, 221614864, 1232732681, 2465465362, 4930930724, 9861861448, 19723722896]

約数ペア:

[(1, 19723722896), (2, 9861861448), (4, 4930930724), (8, 2465465362), (16, 1232732681), (89, 221614864), (178, 110807432), (356, 55403716), (712, 27701858), (977, 20188048), (1424, 13850929), (1954, 10094024), (3908, 5047012), (7816, 2523506), (14177, 1391248), (15632, 1261753), (28354, 695624), (56708, 347812), (86953, 226832), (113416, 173906)]