18181862

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{3989}}^1$

素因数の和:4087

約数の個数: 16

約数和(自身を含む): 28440720

約数和(自身を除く): 10258858

約数列:

[1, 2, 43, 53, 86, 106, 2279, 3989, 4558, 7978, 171527, 211417, 343054, 422834, 9090931, 18181862]

約数ペア:

[(1, 18181862), (2, 9090931), (43, 422834), (53, 343054), (86, 211417), (106, 171527), (2279, 7978), (3989, 4558)]