17944976

素因数分解:

$2^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{487}}^1$

素因数の和:556

約数の個数: 60

約数和(自身を含む): 41390208

約数和(自身を除く): 23445232

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 329, 376, 392, 487, 658, 752, 784, 974, 1316, 1948, 2303, 2632, 3409, 3896, 4606, 5264, 6818, 7792, 9212, 13636, 18424, 22889, 23863, 27272, 36848, 45778, 47726, 54544, 91556, 95452, 160223, 183112, 190904, 320446, 366224, 381808, 640892, 1121561, 1281784, 2243122, 2563568, 4486244, 8972488, 17944976]

約数ペア:

[(1, 17944976), (2, 8972488), (4, 4486244), (7, 2563568), (8, 2243122), (14, 1281784), (16, 1121561), (28, 640892), (47, 381808), (49, 366224), (56, 320446), (94, 190904), (98, 183112), (112, 160223), (188, 95452), (196, 91556), (329, 54544), (376, 47726), (392, 45778), (487, 36848), (658, 27272), (752, 23863), (784, 22889), (974, 18424), (1316, 13636), (1948, 9212), (2303, 7792), (2632, 6818), (3409, 5264), (3896, 4606)]