19228521

素因数分解:

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

素因数の和:253

約数の個数: 16

約数和(自身を含む): 27964160

約数和(自身を除く): 8735639

約数列:

[1, 3, 13, 39, 79, 237, 1027, 3081, 6241, 18723, 81133, 243399, 493039, 1479117, 6409507, 19228521]

約数ペア:

[(1, 19228521), (3, 6409507), (13, 1479117), (39, 493039), (79, 243399), (237, 81133), (1027, 18723), (3081, 6241)]