19017997

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{151}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 20465280

約数和(自身を除く): 1447283

約数列:

[1, 29, 43, 101, 151, 1247, 2929, 4343, 4379, 6493, 15251, 125947, 188297, 442279, 655793, 19017997]

約数ペア:

[(1, 19017997), (29, 655793), (43, 442279), (101, 188297), (151, 125947), (1247, 15251), (2929, 6493), (4343, 4379)]