18816918946

素因数分解:

$2^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{613}}^1\times {\mathrm{1543}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 34128576000

約数和(自身を除く): 15311657054

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 343, 406, 613, 686, 1226, 1421, 1543, 2842, 3086, 4291, 8582, 9947, 10801, 17777, 19894, 21602, 30037, 35554, 44747, 60074, 75607, 89494, 124439, 151214, 210259, 248878, 313229, 420518, 529249, 626458, 871073, 945859, 1058498, 1742146, 1891718, 2192603, 4385206, 6097511, 6621013, 12195022, 13242026, 15348221, 27429911, 30696442, 46347091, 54859822, 92694182, 192009377, 324429637, 384018754, 648859274, 1344065639, 2688131278, 9408459473, 18816918946]

約数ペア:

[(1, 18816918946), (2, 9408459473), (7, 2688131278), (14, 1344065639), (29, 648859274), (49, 384018754), (58, 324429637), (98, 192009377), (203, 92694182), (343, 54859822), (406, 46347091), (613, 30696442), (686, 27429911), (1226, 15348221), (1421, 13242026), (1543, 12195022), (2842, 6621013), (3086, 6097511), (4291, 4385206), (8582, 2192603), (9947, 1891718), (10801, 1742146), (17777, 1058498), (19894, 945859), (21602, 871073), (30037, 626458), (35554, 529249), (44747, 420518), (60074, 313229), (75607, 248878), (89494, 210259), (124439, 151214)]