18917388

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:481

約数の個数: 120

約数和(自身を含む): 59628800

約数和(自身を除く): 40711412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 81, 84, 108, 114, 126, 133, 162, 171, 189, 228, 252, 266, 324, 342, 378, 399, 439, 513, 532, 567, 684, 756, 798, 878, 1026, 1134, 1197, 1317, 1539, 1596, 1756, 2052, 2268, 2394, 2634, 3073, 3078, 3591, 3951, 4788, 5268, 6146, 6156, 7182, 7902, 8341, 9219, 10773, 11853, 12292, 14364, 15804, 16682, 18438, 21546, 23706, 25023, 27657, 33364, 35559, 36876, 43092, 47412, 50046, 55314, 58387, 71118, 75069, 82971, 100092, 110628, 116774, 142236, 150138, 165942, 175161, 225207, 233548, 248913, 300276, 331884, 350322, 450414, 497826, 525483, 675621, 700644, 900828, 995652, 1050966, 1351242, 1576449, 2101932, 2702484, 3152898, 4729347, 6305796, 9458694, 18917388]

約数ペア:

[(1, 18917388), (2, 9458694), (3, 6305796), (4, 4729347), (6, 3152898), (7, 2702484), (9, 2101932), (12, 1576449), (14, 1351242), (18, 1050966), (19, 995652), (21, 900828), (27, 700644), (28, 675621), (36, 525483), (38, 497826), (42, 450414), (54, 350322), (57, 331884), (63, 300276), (76, 248913), (81, 233548), (84, 225207), (108, 175161), (114, 165942), (126, 150138), (133, 142236), (162, 116774), (171, 110628), (189, 100092), (228, 82971), (252, 75069), (266, 71118), (324, 58387), (342, 55314), (378, 50046), (399, 47412), (439, 43092), (513, 36876), (532, 35559), (567, 33364), (684, 27657), (756, 25023), (798, 23706), (878, 21546), (1026, 18438), (1134, 16682), (1197, 15804), (1317, 14364), (1539, 12292), (1596, 11853), (1756, 10773), (2052, 9219), (2268, 8341), (2394, 7902), (2634, 7182), (3073, 6156), (3078, 6146), (3591, 5268), (3951, 4788)]