19201609

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2447}}^1$

素因数の和:2532

約数の個数: 16

約数和(自身を含む): 23500800

約数和(自身を除く): 4299191

約数列:

[1, 7, 19, 59, 133, 413, 1121, 2447, 7847, 17129, 46493, 144373, 325451, 1010611, 2743087, 19201609]

約数ペア:

[(1, 19201609), (7, 2743087), (19, 1010611), (59, 325451), (133, 144373), (413, 46493), (1121, 17129), (2447, 7847)]