18517158112

素因数分解:

$2^5\times {\mathrm{43}}^2\times {\mathrm{131}}^1\times {\mathrm{2389}}^1$

素因数の和:2616

約数の個数: 72

約数和(自身を含む): 37623829320

約数和(自身を除く): 19106671208

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 131, 172, 262, 344, 524, 688, 1048, 1376, 1849, 2096, 2389, 3698, 4192, 4778, 5633, 7396, 9556, 11266, 14792, 19112, 22532, 29584, 38224, 45064, 59168, 76448, 90128, 102727, 180256, 205454, 242219, 312959, 410908, 484438, 625918, 821816, 968876, 1251836, 1643632, 1937752, 2503672, 3287264, 3875504, 4417261, 5007344, 7751008, 8834522, 10014688, 13457237, 17669044, 26914474, 35338088, 53828948, 70676176, 107657896, 141352352, 215315792, 430631584, 578661191, 1157322382, 2314644764, 4629289528, 9258579056, 18517158112]

約数ペア:

[(1, 18517158112), (2, 9258579056), (4, 4629289528), (8, 2314644764), (16, 1157322382), (32, 578661191), (43, 430631584), (86, 215315792), (131, 141352352), (172, 107657896), (262, 70676176), (344, 53828948), (524, 35338088), (688, 26914474), (1048, 17669044), (1376, 13457237), (1849, 10014688), (2096, 8834522), (2389, 7751008), (3698, 5007344), (4192, 4417261), (4778, 3875504), (5633, 3287264), (7396, 2503672), (9556, 1937752), (11266, 1643632), (14792, 1251836), (19112, 968876), (22532, 821816), (29584, 625918), (38224, 484438), (45064, 410908), (59168, 312959), (76448, 242219), (90128, 205454), (102727, 180256)]