18689978

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{4079}}^1$

素因数の和:4189

約数の個数: 16

約数和(自身を含む): 29376000

約数和(自身を除く): 10686022

約数列:

[1, 2, 29, 58, 79, 158, 2291, 4079, 4582, 8158, 118291, 236582, 322241, 644482, 9344989, 18689978]

約数ペア:

[(1, 18689978), (2, 9344989), (29, 644482), (58, 322241), (79, 236582), (158, 118291), (2291, 8158), (4079, 4582)]