18895472

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:441

約数の個数: 40

約数和(自身を含む): 38249040

約数和(自身を除く): 19353568

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 193, 211, 232, 386, 422, 464, 772, 844, 1544, 1688, 3088, 3376, 5597, 6119, 11194, 12238, 22388, 24476, 40723, 44776, 48952, 81446, 89552, 97904, 162892, 325784, 651568, 1180967, 2361934, 4723868, 9447736, 18895472]

約数ペア:

[(1, 18895472), (2, 9447736), (4, 4723868), (8, 2361934), (16, 1180967), (29, 651568), (58, 325784), (116, 162892), (193, 97904), (211, 89552), (232, 81446), (386, 48952), (422, 44776), (464, 40723), (772, 24476), (844, 22388), (1544, 12238), (1688, 11194), (3088, 6119), (3376, 5597)]