19999486

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3359}}^1$

素因数の和:3603

約数の個数: 16

約数和(自身を含む): 32457600

約数和(自身を除く): 12458114

約数列:

[1, 2, 13, 26, 229, 458, 2977, 3359, 5954, 6718, 43667, 87334, 769211, 1538422, 9999743, 19999486]

約数ペア:

[(1, 19999486), (2, 9999743), (13, 1538422), (26, 769211), (229, 87334), (458, 43667), (2977, 6718), (3359, 5954)]