18944978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{2903}}^1$

素因数の和:3169

約数の個数: 16

約数和(自身を含む): 30735936

約数和(自身を除く): 11790958

約数列:

[1, 2, 13, 26, 251, 502, 2903, 3263, 5806, 6526, 37739, 75478, 728653, 1457306, 9472489, 18944978]

約数ペア:

[(1, 18944978), (2, 9472489), (13, 1457306), (26, 728653), (251, 75478), (502, 37739), (2903, 6526), (3263, 5806)]