18877265

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{2273}}^1$

素因数の和:2440

約数の個数: 16

約数和(自身を含む): 24886656

約数和(自身を除く): 6009391

約数列:

[1, 5, 11, 55, 151, 755, 1661, 2273, 8305, 11365, 25003, 125015, 343223, 1716115, 3775453, 18877265]

約数ペア:

[(1, 18877265), (5, 3775453), (11, 1716115), (55, 343223), (151, 125015), (755, 25003), (1661, 11365), (2273, 8305)]