18754318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:408

約数の個数: 32

約数和(自身を含む): 32099328

約数和(自身を除く): 13345010

約数列:

[1, 2, 11, 22, 31, 62, 107, 214, 257, 341, 514, 682, 1177, 2354, 2827, 3317, 5654, 6634, 7967, 15934, 27499, 36487, 54998, 72974, 87637, 175274, 302489, 604978, 852469, 1704938, 9377159, 18754318]

約数ペア:

[(1, 18754318), (2, 9377159), (11, 1704938), (22, 852469), (31, 604978), (62, 302489), (107, 175274), (214, 87637), (257, 72974), (341, 54998), (514, 36487), (682, 27499), (1177, 15934), (2354, 7967), (2827, 6634), (3317, 5654)]