19740224

素因数分解:

$2^6\times 7^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:475

約数の個数: 56

約数和(自身を含む): 45232320

約数和(自身を除く): 25492096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 139, 224, 278, 317, 448, 556, 634, 973, 1112, 1268, 1946, 2219, 2224, 2536, 3892, 4438, 4448, 5072, 7784, 8876, 8896, 10144, 15568, 17752, 20288, 31136, 35504, 44063, 62272, 71008, 88126, 142016, 176252, 308441, 352504, 616882, 705008, 1233764, 1410016, 2467528, 2820032, 4935056, 9870112, 19740224]

約数ペア:

[(1, 19740224), (2, 9870112), (4, 4935056), (7, 2820032), (8, 2467528), (14, 1410016), (16, 1233764), (28, 705008), (32, 616882), (56, 352504), (64, 308441), (112, 176252), (139, 142016), (224, 88126), (278, 71008), (317, 62272), (448, 44063), (556, 35504), (634, 31136), (973, 20288), (1112, 17752), (1268, 15568), (1946, 10144), (2219, 8896), (2224, 8876), (2536, 7784), (3892, 5072), (4438, 4448)]