19707982

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15817}}^1$

素因数の和:15915

約数の個数: 16

約数和(自身を含む): 34166880

約数和(自身を除く): 14458898

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 15817, 31634, 110719, 221438, 1407713, 2815426, 9853991, 19707982]

約数ペア:

[(1, 19707982), (2, 9853991), (7, 2815426), (14, 1407713), (89, 221438), (178, 110719), (623, 31634), (1246, 15817)]