19873784

素因数分解:

$2^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{967}}^1$

素因数の和:1347

約数の個数: 32

約数和(自身を含む): 42746880

約数和(自身を除く): 22873096

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367, 734, 967, 1468, 1934, 2569, 2936, 3868, 5138, 6769, 7736, 10276, 13538, 20552, 27076, 54152, 354889, 709778, 1419556, 2484223, 2839112, 4968446, 9936892, 19873784]

約数ペア:

[(1, 19873784), (2, 9936892), (4, 4968446), (7, 2839112), (8, 2484223), (14, 1419556), (28, 709778), (56, 354889), (367, 54152), (734, 27076), (967, 20552), (1468, 13538), (1934, 10276), (2569, 7736), (2936, 6769), (3868, 5138)]