19402320

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11549}}^1$

素因数の和:11572

約数の個数: 80

約数和(自身を含む): 68745600

約数和(自身を除く): 49343280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11549, 23098, 34647, 46196, 57745, 69294, 80843, 92392, 115490, 138588, 161686, 173235, 184784, 230980, 242529, 277176, 323372, 346470, 404215, 461960, 485058, 554352, 646744, 692940, 808430, 923920, 970116, 1212645, 1293488, 1385880, 1616860, 1940232, 2425290, 2771760, 3233720, 3880464, 4850580, 6467440, 9701160, 19402320]

約数ペア:

[(1, 19402320), (2, 9701160), (3, 6467440), (4, 4850580), (5, 3880464), (6, 3233720), (7, 2771760), (8, 2425290), (10, 1940232), (12, 1616860), (14, 1385880), (15, 1293488), (16, 1212645), (20, 970116), (21, 923920), (24, 808430), (28, 692940), (30, 646744), (35, 554352), (40, 485058), (42, 461960), (48, 404215), (56, 346470), (60, 323372), (70, 277176), (80, 242529), (84, 230980), (105, 184784), (112, 173235), (120, 161686), (140, 138588), (168, 115490), (210, 92392), (240, 80843), (280, 69294), (336, 57745), (420, 46196), (560, 34647), (840, 23098), (1680, 11549)]