19122928

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{607}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 40711680

約数和(自身を除く): 21588752

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 179, 358, 607, 716, 1214, 1432, 1969, 2428, 2864, 3938, 4856, 6677, 7876, 9712, 13354, 15752, 26708, 31504, 53416, 106832, 108653, 217306, 434612, 869224, 1195183, 1738448, 2390366, 4780732, 9561464, 19122928]

約数ペア:

[(1, 19122928), (2, 9561464), (4, 4780732), (8, 2390366), (11, 1738448), (16, 1195183), (22, 869224), (44, 434612), (88, 217306), (176, 108653), (179, 106832), (358, 53416), (607, 31504), (716, 26708), (1214, 15752), (1432, 13354), (1969, 9712), (2428, 7876), (2864, 6677), (3938, 4856)]