1800131905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{7013}}^1$

素因数の和:7401

約数の個数: 32

約数和(自身を含む): 2545240320

約数和(自身を除く): 745108415

約数列:

[1, 5, 11, 13, 55, 65, 143, 359, 715, 1795, 3949, 4667, 7013, 19745, 23335, 35065, 51337, 77143, 91169, 256685, 385715, 455845, 1002859, 2517667, 5014295, 12588335, 27694337, 32729671, 138471685, 163648355, 360026381, 1800131905]

約数ペア:

[(1, 1800131905), (5, 360026381), (11, 163648355), (13, 138471685), (55, 32729671), (65, 27694337), (143, 12588335), (359, 5014295), (715, 2517667), (1795, 1002859), (3949, 455845), (4667, 385715), (7013, 256685), (19745, 91169), (23335, 77143), (35065, 51337)]