20119138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 34574400

約数和(自身を除く): 14455262

約数列:

[1, 2, 13, 19, 26, 38, 139, 247, 278, 293, 494, 586, 1807, 2641, 3614, 3809, 5282, 5567, 7618, 11134, 34333, 40727, 68666, 72371, 81454, 144742, 529451, 773813, 1058902, 1547626, 10059569, 20119138]

約数ペア:

[(1, 20119138), (2, 10059569), (13, 1547626), (19, 1058902), (26, 773813), (38, 529451), (139, 144742), (247, 81454), (278, 72371), (293, 68666), (494, 40727), (586, 34333), (1807, 11134), (2641, 7618), (3614, 5567), (3809, 5282)]