19699017

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{21961}}^1$

素因数の和:22000

約数の個数: 16

約数和(自身を含む): 29516928

約数和(自身を除く): 9817911

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 21961, 65883, 285493, 505103, 856479, 1515309, 6566339, 19699017]

約数ペア:

[(1, 19699017), (3, 6566339), (13, 1515309), (23, 856479), (39, 505103), (69, 285493), (299, 65883), (897, 21961)]