19520452

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{523}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 41316352

約数和(自身を除く): 21795900

約数列:

[1, 2, 4, 7, 14, 28, 31, 43, 62, 86, 124, 172, 217, 301, 434, 523, 602, 868, 1046, 1204, 1333, 2092, 2666, 3661, 5332, 7322, 9331, 14644, 16213, 18662, 22489, 32426, 37324, 44978, 64852, 89956, 113491, 157423, 226982, 314846, 453964, 629692, 697159, 1394318, 2788636, 4880113, 9760226, 19520452]

約数ペア:

[(1, 19520452), (2, 9760226), (4, 4880113), (7, 2788636), (14, 1394318), (28, 697159), (31, 629692), (43, 453964), (62, 314846), (86, 226982), (124, 157423), (172, 113491), (217, 89956), (301, 64852), (434, 44978), (523, 37324), (602, 32426), (868, 22489), (1046, 18662), (1204, 16213), (1333, 14644), (2092, 9331), (2666, 7322), (3661, 5332)]