18131569888

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{693527}}^1$

素因数の和:693599

約数の個数: 48

約数和(自身を含む): 38449192320

約数和(自身を除く): 20317622432

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 76, 86, 152, 172, 304, 344, 608, 688, 817, 1376, 1634, 3268, 6536, 13072, 26144, 693527, 1387054, 2774108, 5548216, 11096432, 13177013, 22192864, 26354026, 29821661, 52708052, 59643322, 105416104, 119286644, 210832208, 238573288, 421664416, 477146576, 566611559, 954293152, 1133223118, 2266446236, 4532892472, 9065784944, 18131569888]

約数ペア:

[(1, 18131569888), (2, 9065784944), (4, 4532892472), (8, 2266446236), (16, 1133223118), (19, 954293152), (32, 566611559), (38, 477146576), (43, 421664416), (76, 238573288), (86, 210832208), (152, 119286644), (172, 105416104), (304, 59643322), (344, 52708052), (608, 29821661), (688, 26354026), (817, 22192864), (1376, 13177013), (1634, 11096432), (3268, 5548216), (6536, 2774108), (13072, 1387054), (26144, 693527)]