19729372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1051}}^1$

素因数の和:1106

約数の個数: 36

約数和(自身を含む): 39279576

約数和(自身を除く): 19550204

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 361, 494, 722, 988, 1051, 1444, 2102, 4204, 4693, 9386, 13663, 18772, 19969, 27326, 39938, 54652, 79876, 259597, 379411, 519194, 758822, 1038388, 1517644, 4932343, 9864686, 19729372]

約数ペア:

[(1, 19729372), (2, 9864686), (4, 4932343), (13, 1517644), (19, 1038388), (26, 758822), (38, 519194), (52, 379411), (76, 259597), (247, 79876), (361, 54652), (494, 39938), (722, 27326), (988, 19969), (1051, 18772), (1444, 13663), (2102, 9386), (4204, 4693)]