1888891444

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{5227}}^1$

素因数の和:5476

約数の個数: 48

約数和(自身を含む): 3709956096

約数和(自身を除く): 1821064652

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 191, 382, 473, 764, 946, 1892, 2101, 4202, 5227, 8213, 8404, 10454, 16426, 20908, 32852, 57497, 90343, 114994, 180686, 224761, 229988, 361372, 449522, 899044, 998357, 1996714, 2472371, 3993428, 4944742, 9889484, 10981927, 21963854, 42929351, 43927708, 85858702, 171717404, 472222861, 944445722, 1888891444]

約数ペア:

[(1, 1888891444), (2, 944445722), (4, 472222861), (11, 171717404), (22, 85858702), (43, 43927708), (44, 42929351), (86, 21963854), (172, 10981927), (191, 9889484), (382, 4944742), (473, 3993428), (764, 2472371), (946, 1996714), (1892, 998357), (2101, 899044), (4202, 449522), (5227, 361372), (8213, 229988), (8404, 224761), (10454, 180686), (16426, 114994), (20908, 90343), (32852, 57497)]