19837246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:664

約数の個数: 32

約数和(自身を含む): 35280000

約数和(自身を除く): 15442754

約数列:

[1, 2, 11, 13, 22, 26, 139, 143, 278, 286, 499, 998, 1529, 1807, 3058, 3614, 5489, 6487, 10978, 12974, 19877, 39754, 69361, 71357, 138722, 142714, 762971, 901693, 1525942, 1803386, 9918623, 19837246]

約数ペア:

[(1, 19837246), (2, 9918623), (11, 1803386), (13, 1525942), (22, 901693), (26, 762971), (139, 142714), (143, 138722), (278, 71357), (286, 69361), (499, 39754), (998, 19877), (1529, 12974), (1807, 10978), (3058, 6487), (3614, 5489)]