19171906

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{2371}}^1$

素因数の和:2697

約数の個数: 16

約数和(自身を含む): 31082688

約数和(自身を除く): 11910782

約数列:

[1, 2, 13, 26, 311, 622, 2371, 4043, 4742, 8086, 30823, 61646, 737381, 1474762, 9585953, 19171906]

約数ペア:

[(1, 19171906), (2, 9585953), (13, 1474762), (26, 737381), (311, 61646), (622, 30823), (2371, 8086), (4043, 4742)]