19932249

素因数分解:

$3^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 27074880

約数和(自身を除く): 7142631

約数列:

[1, 3, 101, 157, 303, 419, 471, 1257, 15857, 42319, 47571, 65783, 126957, 197349, 6644083, 19932249]

約数ペア:

[(1, 19932249), (3, 6644083), (101, 197349), (157, 126957), (303, 65783), (419, 47571), (471, 42319), (1257, 15857)]