18354540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{509}}^1\times {\mathrm{601}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 51579360

約数和(自身を除く): 33224820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 509, 601, 1018, 1202, 1527, 1803, 2036, 2404, 2545, 3005, 3054, 3606, 5090, 6010, 6108, 7212, 7635, 9015, 10180, 12020, 15270, 18030, 30540, 36060, 305909, 611818, 917727, 1223636, 1529545, 1835454, 3059090, 3670908, 4588635, 6118180, 9177270, 18354540]

約数ペア:

[(1, 18354540), (2, 9177270), (3, 6118180), (4, 4588635), (5, 3670908), (6, 3059090), (10, 1835454), (12, 1529545), (15, 1223636), (20, 917727), (30, 611818), (60, 305909), (509, 36060), (601, 30540), (1018, 18030), (1202, 15270), (1527, 12020), (1803, 10180), (2036, 9015), (2404, 7635), (2545, 7212), (3005, 6108), (3054, 6010), (3606, 5090)]