18242536

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 37683360

約数和(自身を除く): 19440824

約数列:

[1, 2, 4, 8, 13, 26, 52, 103, 104, 131, 169, 206, 262, 338, 412, 524, 676, 824, 1048, 1339, 1352, 1703, 2678, 3406, 5356, 6812, 10712, 13493, 13624, 17407, 22139, 26986, 34814, 44278, 53972, 69628, 88556, 107944, 139256, 175409, 177112, 350818, 701636, 1403272, 2280317, 4560634, 9121268, 18242536]

約数ペア:

[(1, 18242536), (2, 9121268), (4, 4560634), (8, 2280317), (13, 1403272), (26, 701636), (52, 350818), (103, 177112), (104, 175409), (131, 139256), (169, 107944), (206, 88556), (262, 69628), (338, 53972), (412, 44278), (524, 34814), (676, 26986), (824, 22139), (1048, 17407), (1339, 13624), (1352, 13493), (1703, 10712), (2678, 6812), (3406, 5356)]