18640336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8147}}^1$

素因数の和:8179

約数の個数: 40

約数和(自身を含む): 42434784

約数和(自身を除く): 23794448

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8147, 16294, 32588, 65176, 89617, 105911, 130352, 179234, 211822, 358468, 423644, 716936, 847288, 1165021, 1433872, 1694576, 2330042, 4660084, 9320168, 18640336]

約数ペア:

[(1, 18640336), (2, 9320168), (4, 4660084), (8, 2330042), (11, 1694576), (13, 1433872), (16, 1165021), (22, 847288), (26, 716936), (44, 423644), (52, 358468), (88, 211822), (104, 179234), (143, 130352), (176, 105911), (208, 89617), (286, 65176), (572, 32588), (1144, 16294), (2288, 8147)]