18805072

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8219}}^1$

素因数の和:8251

約数の個数: 40

約数和(自身を含む): 42809760

約数和(自身を除く): 24004688

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8219, 16438, 32876, 65752, 90409, 106847, 131504, 180818, 213694, 361636, 427388, 723272, 854776, 1175317, 1446544, 1709552, 2350634, 4701268, 9402536, 18805072]

約数ペア:

[(1, 18805072), (2, 9402536), (4, 4701268), (8, 2350634), (11, 1709552), (13, 1446544), (16, 1175317), (22, 854776), (26, 723272), (44, 427388), (52, 361636), (88, 213694), (104, 180818), (143, 131504), (176, 106847), (208, 90409), (286, 65752), (572, 32876), (1144, 16438), (2288, 8219)]