18271568

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:252

約数の個数: 80

約数和(自身を含む): 43497216

約数和(自身を除く): 25225648

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 41, 46, 56, 82, 92, 112, 161, 164, 173, 184, 287, 322, 328, 346, 368, 574, 644, 656, 692, 943, 1148, 1211, 1288, 1384, 1886, 2296, 2422, 2576, 2768, 3772, 3979, 4592, 4844, 6601, 7093, 7544, 7958, 9688, 13202, 14186, 15088, 15916, 19376, 26404, 27853, 28372, 31832, 49651, 52808, 55706, 56744, 63664, 99302, 105616, 111412, 113488, 163139, 198604, 222824, 326278, 397208, 445648, 652556, 794416, 1141973, 1305112, 2283946, 2610224, 4567892, 9135784, 18271568]

約数ペア:

[(1, 18271568), (2, 9135784), (4, 4567892), (7, 2610224), (8, 2283946), (14, 1305112), (16, 1141973), (23, 794416), (28, 652556), (41, 445648), (46, 397208), (56, 326278), (82, 222824), (92, 198604), (112, 163139), (161, 113488), (164, 111412), (173, 105616), (184, 99302), (287, 63664), (322, 56744), (328, 55706), (346, 52808), (368, 49651), (574, 31832), (644, 28372), (656, 27853), (692, 26404), (943, 19376), (1148, 15916), (1211, 15088), (1288, 14186), (1384, 13202), (1886, 9688), (2296, 7958), (2422, 7544), (2576, 7093), (2768, 6601), (3772, 4844), (3979, 4592)]