17978623

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{379}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 20109600

約数和(自身を除く): 2130977

約数列:

[1, 13, 41, 89, 379, 533, 1157, 3649, 4927, 15539, 33731, 47437, 202007, 438503, 1382971, 17978623]

約数ペア:

[(1, 17978623), (13, 1382971), (41, 438503), (89, 202007), (379, 47437), (533, 33731), (1157, 15539), (3649, 4927)]