18619468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1129}}^1$

素因数の和:1190

約数の個数: 48

約数和(自身を含む): 40499200

約数和(自身を除く): 21879732

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1129, 1178, 2258, 2356, 4123, 4516, 7903, 8246, 15806, 16492, 21451, 31612, 34999, 42902, 69998, 85804, 139996, 150157, 244993, 300314, 489986, 600628, 664981, 979972, 1329962, 2659924, 4654867, 9309734, 18619468]

約数ペア:

[(1, 18619468), (2, 9309734), (4, 4654867), (7, 2659924), (14, 1329962), (19, 979972), (28, 664981), (31, 600628), (38, 489986), (62, 300314), (76, 244993), (124, 150157), (133, 139996), (217, 85804), (266, 69998), (434, 42902), (532, 34999), (589, 31612), (868, 21451), (1129, 16492), (1178, 15806), (2258, 8246), (2356, 7903), (4123, 4516)]