18885177356

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{379}}^1\times {\mathrm{139969}}^1$

素因数の和:140441

約数の個数: 24

約数和(自身を含む): 33508818000

約数和(自身を除く): 14623640644

約数列:

[1, 2, 4, 89, 178, 356, 379, 758, 1516, 33731, 67462, 134924, 139969, 279938, 559876, 12457241, 24914482, 49828964, 53048251, 106096502, 212193004, 4721294339, 9442588678, 18885177356]

約数ペア:

[(1, 18885177356), (2, 9442588678), (4, 4721294339), (89, 212193004), (178, 106096502), (356, 53048251), (379, 49828964), (758, 24914482), (1516, 12457241), (33731, 559876), (67462, 279938), (134924, 139969)]