19663203

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55079}}^1$

素因数の和:55106

約数の個数: 16

約数和(自身を含む): 31726080

約数和(自身を除く): 12062877

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55079, 165237, 385553, 936343, 1156659, 2809029, 6554401, 19663203]

約数ペア:

[(1, 19663203), (3, 6554401), (7, 2809029), (17, 1156659), (21, 936343), (51, 385553), (119, 165237), (357, 55079)]