19513144

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 25414856

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 103, 119, 136, 199, 206, 238, 398, 412, 476, 721, 796, 824, 952, 1393, 1442, 1592, 1751, 2786, 2884, 3383, 3502, 5572, 5768, 6766, 7004, 11144, 12257, 13532, 14008, 20497, 23681, 24514, 27064, 40994, 47362, 49028, 81988, 94724, 98056, 143479, 163976, 189448, 286958, 348449, 573916, 696898, 1147832, 1393796, 2439143, 2787592, 4878286, 9756572, 19513144]

約数ペア:

[(1, 19513144), (2, 9756572), (4, 4878286), (7, 2787592), (8, 2439143), (14, 1393796), (17, 1147832), (28, 696898), (34, 573916), (56, 348449), (68, 286958), (103, 189448), (119, 163976), (136, 143479), (199, 98056), (206, 94724), (238, 81988), (398, 49028), (412, 47362), (476, 40994), (721, 27064), (796, 24514), (824, 23681), (952, 20497), (1393, 14008), (1442, 13532), (1592, 12257), (1751, 11144), (2786, 7004), (2884, 6766), (3383, 5768), (3502, 5572)]