19865412

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:503

約数の個数: 120

約数和(自身を含む): 62610240

約数和(自身を除く): 42744828

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, 461, 513, 532, 567, 684, 756, 798, 922, 1026, 1134, 1197, 1383, 1539, 1596, 1844, 2052, 2268, 2394, 2766, 3078, 3227, 3591, 4149, 4788, 5532, 6156, 6454, 7182, 8298, 8759, 9681, 10773, 12447, 12908, 14364, 16596, 17518, 19362, 21546, 24894, 26277, 29043, 35036, 37341, 38724, 43092, 49788, 52554, 58086, 61313, 74682, 78831, 87129, 105108, 116172, 122626, 149364, 157662, 174258, 183939, 236493, 245252, 261387, 315324, 348516, 367878, 472986, 522774, 551817, 709479, 735756, 945972, 1045548, 1103634, 1418958, 1655451, 2207268, 2837916, 3310902, 4966353, 6621804, 9932706, 19865412]

約数ペア:

[(1, 19865412), (2, 9932706), (3, 6621804), (4, 4966353), (6, 3310902), (7, 2837916), (9, 2207268), (12, 1655451), (14, 1418958), (18, 1103634), (19, 1045548), (21, 945972), (27, 735756), (28, 709479), (36, 551817), (38, 522774), (42, 472986), (54, 367878), (57, 348516), (63, 315324), (76, 261387), (81, 245252), (84, 236493), (108, 183939), (114, 174258), (126, 157662), (133, 149364), (162, 122626), (171, 116172), (189, 105108), (228, 87129), (252, 78831), (266, 74682), (324, 61313), (342, 58086), (378, 52554), (399, 49788), (461, 43092), (513, 38724), (532, 37341), (567, 35036), (684, 29043), (756, 26277), (798, 24894), (922, 21546), (1026, 19362), (1134, 17518), (1197, 16596), (1383, 14364), (1539, 12908), (1596, 12447), (1844, 10773), (2052, 9681), (2268, 8759), (2394, 8298), (2766, 7182), (3078, 6454), (3227, 6156), (3591, 5532), (4149, 4788)]