19894273

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1481}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 24186240

約数和(自身を除く): 4291967

約数列:

[1, 7, 19, 101, 133, 707, 1481, 1919, 10367, 13433, 28139, 149581, 196973, 1047067, 2842039, 19894273]

約数ペア:

[(1, 19894273), (7, 2842039), (19, 1047067), (101, 196973), (133, 149581), (707, 28139), (1481, 13433), (1919, 10367)]