16819865

素因数分解:

$5^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 20606400

約数和(自身を除く): 3786535

約数列:

[1, 5, 107, 149, 211, 535, 745, 1055, 15943, 22577, 31439, 79715, 112885, 157195, 3363973, 16819865]

約数ペア:

[(1, 16819865), (5, 3363973), (107, 157195), (149, 112885), (211, 79715), (535, 31439), (745, 22577), (1055, 15943)]