18864326

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 31933440

約数和(自身を除く): 13069114

約数列:

[1, 2, 13, 26, 29, 58, 127, 197, 254, 377, 394, 754, 1651, 2561, 3302, 3683, 5122, 5713, 7366, 11426, 25019, 47879, 50038, 74269, 95758, 148538, 325247, 650494, 725551, 1451102, 9432163, 18864326]

約数ペア:

[(1, 18864326), (2, 9432163), (13, 1451102), (26, 725551), (29, 650494), (58, 325247), (127, 148538), (197, 95758), (254, 74269), (377, 50038), (394, 47879), (754, 25019), (1651, 11426), (2561, 7366), (3302, 5713), (3683, 5122)]