19985904

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{2953}}^1$

素因数の和:3014

約数の個数: 60

約数和(自身を含む): 57142176

約数和(自身を除く): 37156272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 72, 94, 141, 144, 188, 282, 376, 423, 564, 752, 846, 1128, 1692, 2256, 2953, 3384, 5906, 6768, 8859, 11812, 17718, 23624, 26577, 35436, 47248, 53154, 70872, 106308, 138791, 141744, 212616, 277582, 416373, 425232, 555164, 832746, 1110328, 1249119, 1665492, 2220656, 2498238, 3330984, 4996476, 6661968, 9992952, 19985904]

約数ペア:

[(1, 19985904), (2, 9992952), (3, 6661968), (4, 4996476), (6, 3330984), (8, 2498238), (9, 2220656), (12, 1665492), (16, 1249119), (18, 1110328), (24, 832746), (36, 555164), (47, 425232), (48, 416373), (72, 277582), (94, 212616), (141, 141744), (144, 138791), (188, 106308), (282, 70872), (376, 53154), (423, 47248), (564, 35436), (752, 26577), (846, 23624), (1128, 17718), (1692, 11812), (2256, 8859), (2953, 6768), (3384, 5906)]