18678804944

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68672077}}^1$

素因数の和:68672102

約数の個数: 20

約数和(自身を含む): 38319019524

約数和(自身を除く): 19640214580

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68672077, 137344154, 274688308, 549376616, 1098753232, 1167425309, 2334850618, 4669701236, 9339402472, 18678804944]

約数ペア:

[(1, 18678804944), (2, 9339402472), (4, 4669701236), (8, 2334850618), (16, 1167425309), (17, 1098753232), (34, 549376616), (68, 274688308), (136, 137344154), (272, 68672077)]