18184532720

素因数分解:

$2^4\times 5^1\times {\mathrm{227306659}}^1$

素因数の和:227306672

約数の個数: 20

約数和(自身を含む): 42279038760

約数和(自身を除く): 24094506040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227306659, 454613318, 909226636, 1136533295, 1818453272, 2273066590, 3636906544, 4546133180, 9092266360, 18184532720]

約数ペア:

[(1, 18184532720), (2, 9092266360), (4, 4546133180), (5, 3636906544), (8, 2273066590), (10, 1818453272), (16, 1136533295), (20, 909226636), (40, 454613318), (80, 227306659)]