18812591

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1061}}^1$

素因数の和:1234

約数の個数: 16

約数和(自身を含む): 22939200

約数和(自身を除く): 4126609

約数列:

[1, 7, 17, 119, 149, 1043, 1061, 2533, 7427, 17731, 18037, 126259, 158089, 1106623, 2687513, 18812591]

約数ペア:

[(1, 18812591), (7, 2687513), (17, 1106623), (119, 158089), (149, 126259), (1043, 18037), (1061, 17731), (2533, 7427)]