19684509

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{6389}}^1$

素因数の和:6484

約数の個数: 16

約数和(自身を含む): 28627200

約数和(自身を除く): 8942691

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6389, 19167, 83057, 249171, 504731, 1514193, 6561503, 19684509]

約数ペア:

[(1, 19684509), (3, 6561503), (13, 1514193), (39, 504731), (79, 249171), (237, 83057), (1027, 19167), (3081, 6389)]