19709893

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1588

約数の個数: 16

約数和(自身を含む): 23649280

約数和(自身を除く): 3939387

約数列:

[1, 7, 31, 61, 217, 427, 1489, 1891, 10423, 13237, 46159, 90829, 323113, 635803, 2815699, 19709893]

約数ペア:

[(1, 19709893), (7, 2815699), (31, 635803), (61, 323113), (217, 90829), (427, 46159), (1489, 13237), (1891, 10423)]