2018721170

素因数分解:

$2^1\times 5^1\times {\mathrm{3257}}^1\times {\mathrm{61981}}^1$

素因数の和:65245

約数の個数: 16

約数和(自身を含む): 3634872408

約数和(自身を除く): 1616151238

約数列:

[1, 2, 5, 10, 3257, 6514, 16285, 32570, 61981, 123962, 309905, 619810, 201872117, 403744234, 1009360585, 2018721170]

約数ペア:

[(1, 2018721170), (2, 1009360585), (5, 403744234), (10, 201872117), (3257, 619810), (6514, 309905), (16285, 123962), (32570, 61981)]