18990614

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{7459}}^1$

素因数の和:7547

約数の個数: 16

約数和(自身を含む): 30436800

約数和(自身を除く): 11446186

約数列:

[1, 2, 19, 38, 67, 134, 1273, 2546, 7459, 14918, 141721, 283442, 499753, 999506, 9495307, 18990614]

約数ペア:

[(1, 18990614), (2, 9495307), (19, 999506), (38, 499753), (67, 283442), (134, 141721), (1273, 14918), (2546, 7459)]