19908133036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{419}}^1\times {\mathrm{13669}}^1$

素因数の和:14182

約数の個数: 48

約数和(自身を含む): 38582208000

約数和(自身を除く): 18674074964

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 419, 838, 869, 1676, 1738, 3476, 4609, 9218, 13669, 18436, 27338, 33101, 54676, 66202, 132404, 150359, 300718, 364111, 601436, 728222, 1079851, 1456444, 2159702, 4319404, 5727311, 11454622, 11878361, 22909244, 23756722, 47513444, 63000421, 126000842, 252001684, 452457569, 904915138, 1809830276, 4977033259, 9954066518, 19908133036]

約数ペア:

[(1, 19908133036), (2, 9954066518), (4, 4977033259), (11, 1809830276), (22, 904915138), (44, 452457569), (79, 252001684), (158, 126000842), (316, 63000421), (419, 47513444), (838, 23756722), (869, 22909244), (1676, 11878361), (1738, 11454622), (3476, 5727311), (4609, 4319404), (9218, 2159702), (13669, 1456444), (18436, 1079851), (27338, 728222), (33101, 601436), (54676, 364111), (66202, 300718), (132404, 150359)]