2018289968

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{547}}^1$

素因数の和:802

約数の個数: 80

約数和(自身を含む): 4161924096

約数和(自身を除く): 2143634128

約数列:

[1, 2, 4, 8, 16, 31, 43, 62, 86, 124, 172, 173, 248, 344, 346, 496, 547, 688, 692, 1094, 1333, 1384, 2188, 2666, 2768, 4376, 5332, 5363, 7439, 8752, 10664, 10726, 14878, 16957, 21328, 21452, 23521, 29756, 33914, 42904, 47042, 59512, 67828, 85808, 94084, 94631, 119024, 135656, 188168, 189262, 230609, 271312, 376336, 378524, 461218, 729151, 757048, 922436, 1458302, 1514096, 1844872, 2916604, 2933561, 3689744, 4069133, 5833208, 5867122, 8138266, 11666416, 11734244, 16276532, 23468488, 32553064, 46936976, 65106128, 126143123, 252286246, 504572492, 1009144984, 2018289968]

約数ペア:

[(1, 2018289968), (2, 1009144984), (4, 504572492), (8, 252286246), (16, 126143123), (31, 65106128), (43, 46936976), (62, 32553064), (86, 23468488), (124, 16276532), (172, 11734244), (173, 11666416), (248, 8138266), (344, 5867122), (346, 5833208), (496, 4069133), (547, 3689744), (688, 2933561), (692, 2916604), (1094, 1844872), (1333, 1514096), (1384, 1458302), (2188, 922436), (2666, 757048), (2768, 729151), (4376, 461218), (5332, 378524), (5363, 376336), (7439, 271312), (8752, 230609), (10664, 189262), (10726, 188168), (14878, 135656), (16957, 119024), (21328, 94631), (21452, 94084), (23521, 85808), (29756, 67828), (33914, 59512), (42904, 47042)]