18405604

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1193}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 40118400

約数和(自身を除く): 21712796

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 1193, 2204, 2386, 3857, 4772, 7714, 8351, 15428, 16702, 22667, 33404, 34597, 45334, 69194, 90668, 138388, 158669, 242179, 317338, 484358, 634676, 657343, 968716, 1314686, 2629372, 4601401, 9202802, 18405604]

約数ペア:

[(1, 18405604), (2, 9202802), (4, 4601401), (7, 2629372), (14, 1314686), (19, 968716), (28, 657343), (29, 634676), (38, 484358), (58, 317338), (76, 242179), (116, 158669), (133, 138388), (203, 90668), (266, 69194), (406, 45334), (532, 34597), (551, 33404), (812, 22667), (1102, 16702), (1193, 15428), (2204, 8351), (2386, 7714), (3857, 4772)]