19996818

素因数分解:

$2^1\times 3^1\times {\mathrm{139}}^1\times {\mathrm{23977}}^1$

素因数の和:24121

約数の個数: 16

約数和(自身を含む): 40283040

約数和(自身を除く): 20286222

約数列:

[1, 2, 3, 6, 139, 278, 417, 834, 23977, 47954, 71931, 143862, 3332803, 6665606, 9998409, 19996818]

約数ペア:

[(1, 19996818), (2, 9998409), (3, 6665606), (6, 3332803), (139, 143862), (278, 71931), (417, 47954), (834, 23977)]