19705516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{1471}}^1$

素因数の和:1689

約数の個数: 24

約数和(自身を含む): 36723456

約数和(自身を除く): 17017940

約数列:

[1, 2, 4, 17, 34, 68, 197, 394, 788, 1471, 2942, 3349, 5884, 6698, 13396, 25007, 50014, 100028, 289787, 579574, 1159148, 4926379, 9852758, 19705516]

約数ペア:

[(1, 19705516), (2, 9852758), (4, 4926379), (17, 1159148), (34, 579574), (68, 289787), (197, 100028), (394, 50014), (788, 25007), (1471, 13396), (2942, 6698), (3349, 5884)]