18754436

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:611

約数の個数: 24

約数和(自身を含む): 33516000

約数和(自身を除く): 14761564

約数列:

[1, 2, 4, 89, 139, 178, 278, 356, 379, 556, 758, 1516, 12371, 24742, 33731, 49484, 52681, 67462, 105362, 134924, 210724, 4688609, 9377218, 18754436]

約数ペア:

[(1, 18754436), (2, 9377218), (4, 4688609), (89, 210724), (139, 134924), (178, 105362), (278, 67462), (356, 52681), (379, 49484), (556, 33731), (758, 24742), (1516, 12371)]