18140573

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1$

素因数の和:173

約数の個数: 32

約数和(自身を含む): 22377600

約数和(自身を除く): 4237027

約数列:

[1, 11, 19, 29, 41, 73, 209, 319, 451, 551, 779, 803, 1189, 1387, 2117, 2993, 6061, 8569, 13079, 15257, 22591, 23287, 32923, 40223, 56867, 86797, 248501, 442453, 625537, 954767, 1649143, 18140573]

約数ペア:

[(1, 18140573), (11, 1649143), (19, 954767), (29, 625537), (41, 442453), (73, 248501), (209, 86797), (319, 56867), (451, 40223), (551, 32923), (779, 23287), (803, 22591), (1189, 15257), (1387, 13079), (2117, 8569), (2993, 6061)]