18118798

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{743}}^1$

素因数の和:971

約数の個数: 16

約数和(自身を含む): 27721440

約数和(自身を除く): 9602642

約数列:

[1, 2, 89, 137, 178, 274, 743, 1486, 12193, 24386, 66127, 101791, 132254, 203582, 9059399, 18118798]

約数ペア:

[(1, 18118798), (2, 9059399), (89, 203582), (137, 132254), (178, 101791), (274, 66127), (743, 24386), (1486, 12193)]