19928568

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 59616000

約数和(自身を除く): 39687432

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 19, 22, 24, 29, 33, 38, 44, 57, 58, 66, 76, 87, 88, 114, 116, 132, 137, 152, 174, 209, 228, 232, 264, 274, 319, 348, 411, 418, 456, 548, 551, 627, 638, 696, 822, 836, 957, 1096, 1102, 1254, 1276, 1507, 1644, 1653, 1672, 1914, 2204, 2508, 2552, 2603, 3014, 3288, 3306, 3828, 3973, 4408, 4521, 5016, 5206, 6028, 6061, 6612, 7656, 7809, 7946, 9042, 10412, 11919, 12056, 12122, 13224, 15618, 15892, 18084, 18183, 20824, 23838, 24244, 28633, 31236, 31784, 36168, 36366, 43703, 47676, 48488, 57266, 62472, 72732, 75487, 85899, 87406, 95352, 114532, 131109, 145464, 150974, 171798, 174812, 226461, 229064, 262218, 301948, 343596, 349624, 452922, 524436, 603896, 687192, 830357, 905844, 1048872, 1660714, 1811688, 2491071, 3321428, 4982142, 6642856, 9964284, 19928568]

約数ペア:

[(1, 19928568), (2, 9964284), (3, 6642856), (4, 4982142), (6, 3321428), (8, 2491071), (11, 1811688), (12, 1660714), (19, 1048872), (22, 905844), (24, 830357), (29, 687192), (33, 603896), (38, 524436), (44, 452922), (57, 349624), (58, 343596), (66, 301948), (76, 262218), (87, 229064), (88, 226461), (114, 174812), (116, 171798), (132, 150974), (137, 145464), (152, 131109), (174, 114532), (209, 95352), (228, 87406), (232, 85899), (264, 75487), (274, 72732), (319, 62472), (348, 57266), (411, 48488), (418, 47676), (456, 43703), (548, 36366), (551, 36168), (627, 31784), (638, 31236), (696, 28633), (822, 24244), (836, 23838), (957, 20824), (1096, 18183), (1102, 18084), (1254, 15892), (1276, 15618), (1507, 13224), (1644, 12122), (1653, 12056), (1672, 11919), (1914, 10412), (2204, 9042), (2508, 7946), (2552, 7809), (2603, 7656), (3014, 6612), (3288, 6061), (3306, 6028), (3828, 5206), (3973, 5016), (4408, 4521)]