18270728

素因数分解:

$2^3\times 7^2\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 40273920

約数和(自身を除く): 22003192

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 127, 196, 254, 367, 392, 508, 734, 889, 1016, 1468, 1778, 2569, 2936, 3556, 5138, 6223, 7112, 10276, 12446, 17983, 20552, 24892, 35966, 46609, 49784, 71932, 93218, 143864, 186436, 326263, 372872, 652526, 1305052, 2283841, 2610104, 4567682, 9135364, 18270728]

約数ペア:

[(1, 18270728), (2, 9135364), (4, 4567682), (7, 2610104), (8, 2283841), (14, 1305052), (28, 652526), (49, 372872), (56, 326263), (98, 186436), (127, 143864), (196, 93218), (254, 71932), (367, 49784), (392, 46609), (508, 35966), (734, 24892), (889, 20552), (1016, 17983), (1468, 12446), (1778, 10276), (2569, 7112), (2936, 6223), (3556, 5138)]