19860563

素因数分解:

${\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:302

約数の個数: 16

約数和(自身を含む): 21278400

約数和(自身を除く): 1417837

約数列:

[1, 29, 61, 103, 109, 1769, 2987, 3161, 6283, 6649, 11227, 182207, 192821, 325583, 684847, 19860563]

約数ペア:

[(1, 19860563), (29, 684847), (61, 325583), (103, 192821), (109, 182207), (1769, 11227), (2987, 6649), (3161, 6283)]