18890230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{111119}}^1$

素因数の和:111143

約数の個数: 16

約数和(自身を含む): 36002880

約数和(自身を除く): 17112650

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 111119, 222238, 555595, 1111190, 1889023, 3778046, 9445115, 18890230]

約数ペア:

[(1, 18890230), (2, 9445115), (5, 3778046), (10, 1889023), (17, 1111190), (34, 555595), (85, 222238), (170, 111119)]