19198895

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 23639040

約数和(自身を除く): 4440145

約数列:

[1, 5, 59, 151, 295, 431, 755, 2155, 8909, 25429, 44545, 65081, 127145, 325405, 3839779, 19198895]

約数ペア:

[(1, 19198895), (5, 3839779), (59, 325405), (151, 127145), (295, 65081), (431, 44545), (755, 25429), (2155, 8909)]