19799472

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{487}}^1$

素因数の和:527

約数の個数: 120

約数和(自身を含む): 64384768

約数和(自身を除く): 44585296

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 42, 44, 48, 56, 66, 77, 84, 88, 112, 121, 132, 154, 168, 176, 231, 242, 264, 308, 336, 363, 462, 484, 487, 528, 616, 726, 847, 924, 968, 974, 1232, 1452, 1461, 1694, 1848, 1936, 1948, 2541, 2904, 2922, 3388, 3409, 3696, 3896, 5082, 5357, 5808, 5844, 6776, 6818, 7792, 10164, 10227, 10714, 11688, 13552, 13636, 16071, 20328, 20454, 21428, 23376, 27272, 32142, 37499, 40656, 40908, 42856, 54544, 58927, 64284, 74998, 81816, 85712, 112497, 117854, 128568, 149996, 163632, 176781, 224994, 235708, 257136, 299992, 353562, 412489, 449988, 471416, 599984, 707124, 824978, 899976, 942832, 1237467, 1414248, 1649956, 1799952, 2474934, 2828496, 3299912, 4949868, 6599824, 9899736, 19799472]

約数ペア:

[(1, 19799472), (2, 9899736), (3, 6599824), (4, 4949868), (6, 3299912), (7, 2828496), (8, 2474934), (11, 1799952), (12, 1649956), (14, 1414248), (16, 1237467), (21, 942832), (22, 899976), (24, 824978), (28, 707124), (33, 599984), (42, 471416), (44, 449988), (48, 412489), (56, 353562), (66, 299992), (77, 257136), (84, 235708), (88, 224994), (112, 176781), (121, 163632), (132, 149996), (154, 128568), (168, 117854), (176, 112497), (231, 85712), (242, 81816), (264, 74998), (308, 64284), (336, 58927), (363, 54544), (462, 42856), (484, 40908), (487, 40656), (528, 37499), (616, 32142), (726, 27272), (847, 23376), (924, 21428), (968, 20454), (974, 20328), (1232, 16071), (1452, 13636), (1461, 13552), (1694, 11688), (1848, 10714), (1936, 10227), (1948, 10164), (2541, 7792), (2904, 6818), (2922, 6776), (3388, 5844), (3409, 5808), (3696, 5357), (3896, 5082)]