18241928

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 35991000

約数和(自身を除く): 17749072

約数列:

[1, 2, 4, 8, 29, 58, 61, 116, 122, 232, 244, 488, 1289, 1769, 2578, 3538, 5156, 7076, 10312, 14152, 37381, 74762, 78629, 149524, 157258, 299048, 314516, 629032, 2280241, 4560482, 9120964, 18241928]

約数ペア:

[(1, 18241928), (2, 9120964), (4, 4560482), (8, 2280241), (29, 629032), (58, 314516), (61, 299048), (116, 157258), (122, 149524), (232, 78629), (244, 74762), (488, 37381), (1289, 14152), (1769, 10312), (2578, 7076), (3538, 5156)]