18221918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^4\times {\mathrm{29}}^1$

素因数の和:94

約数の個数: 40

約数和(自身を含む): 33416280

約数和(自身を除く): 15194362

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 143, 169, 286, 319, 338, 377, 638, 754, 1859, 2197, 3718, 4147, 4394, 4901, 8294, 9802, 24167, 28561, 48334, 53911, 57122, 63713, 107822, 127426, 314171, 628342, 700843, 828269, 1401686, 1656538, 9110959, 18221918]

約数ペア:

[(1, 18221918), (2, 9110959), (11, 1656538), (13, 1401686), (22, 828269), (26, 700843), (29, 628342), (58, 314171), (143, 127426), (169, 107822), (286, 63713), (319, 57122), (338, 53911), (377, 48334), (638, 28561), (754, 24167), (1859, 9802), (2197, 8294), (3718, 4901), (4147, 4394)]