19764773

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{347}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 23162880

約数和(自身を除く): 3398107

約数列:

[1, 7, 79, 103, 347, 553, 721, 2429, 8137, 27413, 35741, 56959, 191891, 250187, 2823539, 19764773]

約数ペア:

[(1, 19764773), (7, 2823539), (79, 250187), (103, 191891), (347, 56959), (553, 35741), (721, 27413), (2429, 8137)]