18185870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{2137}}^1$

素因数の和:2204

約数の個数: 32

約数和(自身を含む): 35097408

約数和(自身を除く): 16911538

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 2137, 4255, 4274, 8510, 10685, 21370, 49151, 79069, 98302, 158138, 245755, 395345, 491510, 790690, 1818587, 3637174, 9092935, 18185870]

約数ペア:

[(1, 18185870), (2, 9092935), (5, 3637174), (10, 1818587), (23, 790690), (37, 491510), (46, 395345), (74, 245755), (115, 158138), (185, 98302), (230, 79069), (370, 49151), (851, 21370), (1702, 10685), (2137, 8510), (4255, 4274)]