19916503

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1$

素因数の和:546

約数の個数: 16

約数和(自身を含む): 22381920

約数和(自身を除く): 2465417

約数列:

[1, 17, 19, 197, 313, 323, 3349, 3743, 5321, 5947, 61661, 63631, 101099, 1048237, 1171559, 19916503]

約数ペア:

[(1, 19916503), (17, 1171559), (19, 1048237), (197, 101099), (313, 63631), (323, 61661), (3349, 5947), (3743, 5321)]