18181615

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{4273}}^1$

素因数の和:4338

約数の個数: 16

約数和(自身を含む): 23387328

約数和(自身を除く): 5205713

約数列:

[1, 5, 23, 37, 115, 185, 851, 4255, 4273, 21365, 98279, 158101, 491395, 790505, 3636323, 18181615]

約数ペア:

[(1, 18181615), (5, 3636323), (23, 790505), (37, 491395), (115, 158101), (185, 98279), (851, 21365), (4255, 4273)]