19219898

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{4987}}^1$

素因数の和:5077

約数の個数: 16

約数和(自身を含む): 30167424

約数和(自身を除く): 10947526

約数列:

[1, 2, 41, 47, 82, 94, 1927, 3854, 4987, 9974, 204467, 234389, 408934, 468778, 9609949, 19219898]

約数ペア:

[(1, 19219898), (2, 9609949), (41, 468778), (47, 408934), (82, 234389), (94, 204467), (1927, 9974), (3854, 4987)]