19806649

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:396

約数の個数: 16

約数和(自身を含む): 21739536

約数和(自身を除く): 1932887

約数列:

[1, 17, 41, 157, 181, 697, 2669, 3077, 6437, 7421, 28417, 109429, 126157, 483089, 1165097, 19806649]

約数ペア:

[(1, 19806649), (17, 1165097), (41, 483089), (157, 126157), (181, 109429), (697, 28417), (2669, 7421), (3077, 6437)]