18322570

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:695

約数の個数: 48

約数和(自身を含む): 39057768

約数和(自身を除く): 20735198

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 613, 854, 1226, 2135, 2989, 3065, 4270, 4291, 5978, 6130, 8582, 14945, 21455, 29890, 30037, 37393, 42910, 60074, 74786, 150185, 186965, 261751, 300370, 373930, 523502, 1308755, 1832257, 2617510, 3664514, 9161285, 18322570]

約数ペア:

[(1, 18322570), (2, 9161285), (5, 3664514), (7, 2617510), (10, 1832257), (14, 1308755), (35, 523502), (49, 373930), (61, 300370), (70, 261751), (98, 186965), (122, 150185), (245, 74786), (305, 60074), (427, 42910), (490, 37393), (610, 30037), (613, 29890), (854, 21455), (1226, 14945), (2135, 8582), (2989, 6130), (3065, 5978), (4270, 4291)]