19223600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:303

約数の個数: 120

約数和(自身を含む): 53554608

約数和(自身を除く): 34331008

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 25, 34, 40, 44, 50, 55, 68, 80, 85, 88, 100, 110, 136, 170, 176, 187, 200, 220, 257, 272, 275, 340, 374, 400, 425, 440, 514, 550, 680, 748, 850, 880, 935, 1028, 1100, 1285, 1360, 1496, 1700, 1870, 2056, 2200, 2570, 2827, 2992, 3400, 3740, 4112, 4369, 4400, 4675, 5140, 5654, 6425, 6800, 7480, 8738, 9350, 10280, 11308, 12850, 14135, 14960, 17476, 18700, 20560, 21845, 22616, 25700, 28270, 34952, 37400, 43690, 45232, 48059, 51400, 56540, 69904, 70675, 74800, 87380, 96118, 102800, 109225, 113080, 141350, 174760, 192236, 218450, 226160, 240295, 282700, 349520, 384472, 436900, 480590, 565400, 768944, 873800, 961180, 1130800, 1201475, 1747600, 1922360, 2402950, 3844720, 4805900, 9611800, 19223600]

約数ペア:

[(1, 19223600), (2, 9611800), (4, 4805900), (5, 3844720), (8, 2402950), (10, 1922360), (11, 1747600), (16, 1201475), (17, 1130800), (20, 961180), (22, 873800), (25, 768944), (34, 565400), (40, 480590), (44, 436900), (50, 384472), (55, 349520), (68, 282700), (80, 240295), (85, 226160), (88, 218450), (100, 192236), (110, 174760), (136, 141350), (170, 113080), (176, 109225), (187, 102800), (200, 96118), (220, 87380), (257, 74800), (272, 70675), (275, 69904), (340, 56540), (374, 51400), (400, 48059), (425, 45232), (440, 43690), (514, 37400), (550, 34952), (680, 28270), (748, 25700), (850, 22616), (880, 21845), (935, 20560), (1028, 18700), (1100, 17476), (1285, 14960), (1360, 14135), (1496, 12850), (1700, 11308), (1870, 10280), (2056, 9350), (2200, 8738), (2570, 7480), (2827, 6800), (2992, 6425), (3400, 5654), (3740, 5140), (4112, 4675), (4369, 4400)]