18974656498

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1\times {\mathrm{1553}}^1$

素因数の和:1931

約数の個数: 64

約数和(自身を含む): 33900572160

約数和(自身を除く): 14925915662

約数列:

[1, 2, 7, 14, 37, 74, 103, 206, 229, 259, 458, 518, 721, 1442, 1553, 1603, 3106, 3206, 3811, 7622, 8473, 10871, 16946, 21742, 23587, 26677, 47174, 53354, 57461, 59311, 114922, 118622, 159959, 165109, 319918, 330218, 355637, 402227, 711274, 804454, 872719, 1119713, 1745438, 2239426, 2489459, 4978918, 5918483, 6109033, 11836966, 12218066, 13158569, 26317138, 36630611, 41429381, 73261222, 82858762, 92109983, 184219966, 256414277, 512828554, 1355332607, 2710665214, 9487328249, 18974656498]

約数ペア:

[(1, 18974656498), (2, 9487328249), (7, 2710665214), (14, 1355332607), (37, 512828554), (74, 256414277), (103, 184219966), (206, 92109983), (229, 82858762), (259, 73261222), (458, 41429381), (518, 36630611), (721, 26317138), (1442, 13158569), (1553, 12218066), (1603, 11836966), (3106, 6109033), (3206, 5918483), (3811, 4978918), (7622, 2489459), (8473, 2239426), (10871, 1745438), (16946, 1119713), (21742, 872719), (23587, 804454), (26677, 711274), (47174, 402227), (53354, 355637), (57461, 330218), (59311, 319918), (114922, 165109), (118622, 159959)]