18429425

素因数分解:

$5^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2057

約数の個数: 24

約数和(自身を含む): 26623296

約数和(自身を除く): 8193871

約数列:

[1, 5, 7, 25, 35, 53, 175, 265, 371, 1325, 1855, 1987, 9275, 9935, 13909, 49675, 69545, 105311, 347725, 526555, 737177, 2632775, 3685885, 18429425]

約数ペア:

[(1, 18429425), (5, 3685885), (7, 2632775), (25, 737177), (35, 526555), (53, 347725), (175, 105311), (265, 69545), (371, 49675), (1325, 13909), (1855, 9935), (1987, 9275)]