1888571890

素因数分解:

$2^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{294629}}^1$

素因数の和:295277

約数の個数: 16

約数和(自身を含む): 3404744280

約数和(自身を除く): 1516172390

約数列:

[1, 2, 5, 10, 641, 1282, 3205, 6410, 294629, 589258, 1473145, 2946290, 188857189, 377714378, 944285945, 1888571890]

約数ペア:

[(1, 1888571890), (2, 944285945), (5, 377714378), (10, 188857189), (641, 2946290), (1282, 1473145), (3205, 589258), (6410, 294629)]