19993001

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{907}}^1$

素因数の和:1028

約数の個数: 16

約数和(自身を含む): 23709696

約数和(自身を除く): 3716695

約数列:

[1, 7, 47, 67, 329, 469, 907, 3149, 6349, 22043, 42629, 60769, 298403, 425383, 2856143, 19993001]

約数ペア:

[(1, 19993001), (7, 2856143), (47, 425383), (67, 298403), (329, 60769), (469, 42629), (907, 22043), (3149, 6349)]