19939417

素因数分解:

${\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:496

約数の個数: 16

約数和(自身を含む): 21952000

約数和(自身を除く): 2012583

約数列:

[1, 19, 31, 97, 349, 589, 1843, 3007, 6631, 10819, 33853, 57133, 205561, 643207, 1049443, 19939417]

約数ペア:

[(1, 19939417), (19, 1049443), (31, 643207), (97, 205561), (349, 57133), (589, 33853), (1843, 10819), (3007, 6631)]