19942608

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 120

約数和(自身を含む): 61350240

約数和(自身を除く): 41407632

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 49, 56, 61, 84, 98, 112, 122, 139, 147, 168, 183, 196, 244, 278, 294, 336, 366, 392, 417, 427, 488, 556, 588, 732, 784, 834, 854, 973, 976, 1112, 1176, 1281, 1464, 1668, 1708, 1946, 2224, 2352, 2562, 2919, 2928, 2989, 3336, 3416, 3892, 5124, 5838, 5978, 6672, 6811, 6832, 7784, 8479, 8967, 10248, 11676, 11956, 13622, 15568, 16958, 17934, 20433, 20496, 23352, 23912, 25437, 27244, 33916, 35868, 40866, 46704, 47824, 50874, 54488, 59353, 67832, 71736, 81732, 101748, 108976, 118706, 135664, 143472, 163464, 178059, 203496, 237412, 326928, 356118, 406992, 415471, 474824, 712236, 830942, 949648, 1246413, 1424472, 1661884, 2492826, 2848944, 3323768, 4985652, 6647536, 9971304, 19942608]

約数ペア:

[(1, 19942608), (2, 9971304), (3, 6647536), (4, 4985652), (6, 3323768), (7, 2848944), (8, 2492826), (12, 1661884), (14, 1424472), (16, 1246413), (21, 949648), (24, 830942), (28, 712236), (42, 474824), (48, 415471), (49, 406992), (56, 356118), (61, 326928), (84, 237412), (98, 203496), (112, 178059), (122, 163464), (139, 143472), (147, 135664), (168, 118706), (183, 108976), (196, 101748), (244, 81732), (278, 71736), (294, 67832), (336, 59353), (366, 54488), (392, 50874), (417, 47824), (427, 46704), (488, 40866), (556, 35868), (588, 33916), (732, 27244), (784, 25437), (834, 23912), (854, 23352), (973, 20496), (976, 20433), (1112, 17934), (1176, 16958), (1281, 15568), (1464, 13622), (1668, 11956), (1708, 11676), (1946, 10248), (2224, 8967), (2352, 8479), (2562, 7784), (2919, 6832), (2928, 6811), (2989, 6672), (3336, 5978), (3416, 5838), (3892, 5124)]