19934768

素因数分解:

$2^4\times 7^2\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:610

約数の個数: 60

約数和(自身を含む): 45970272

約数和(自身を除く): 26035504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 49, 56, 94, 98, 112, 188, 196, 329, 376, 392, 541, 658, 752, 784, 1082, 1316, 2164, 2303, 2632, 3787, 4328, 4606, 5264, 7574, 8656, 9212, 15148, 18424, 25427, 26509, 30296, 36848, 50854, 53018, 60592, 101708, 106036, 177989, 203416, 212072, 355978, 406832, 424144, 711956, 1245923, 1423912, 2491846, 2847824, 4983692, 9967384, 19934768]

約数ペア:

[(1, 19934768), (2, 9967384), (4, 4983692), (7, 2847824), (8, 2491846), (14, 1423912), (16, 1245923), (28, 711956), (47, 424144), (49, 406832), (56, 355978), (94, 212072), (98, 203416), (112, 177989), (188, 106036), (196, 101708), (329, 60592), (376, 53018), (392, 50854), (541, 36848), (658, 30296), (752, 26509), (784, 25427), (1082, 18424), (1316, 15148), (2164, 9212), (2303, 8656), (2632, 7574), (3787, 5264), (4328, 4606)]