19976998

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{2281}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 31217760

約数和(自身を除く): 11240762

約数列:

[1, 2, 29, 58, 151, 302, 2281, 4379, 4562, 8758, 66149, 132298, 344431, 688862, 9988499, 19976998]

約数ペア:

[(1, 19976998), (2, 9988499), (29, 688862), (58, 344431), (151, 132298), (302, 66149), (2281, 8758), (4379, 4562)]