19111372

素因数分解:

$2^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:646

約数の個数: 36

約数和(自身を含む): 39156264

約数和(自身を除く): 20044892

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 281, 347, 562, 694, 1124, 1388, 1967, 2429, 3934, 4858, 7868, 9716, 13769, 17003, 27538, 34006, 55076, 68012, 97507, 195014, 390028, 682549, 1365098, 2730196, 4777843, 9555686, 19111372]

約数ペア:

[(1, 19111372), (2, 9555686), (4, 4777843), (7, 2730196), (14, 1365098), (28, 682549), (49, 390028), (98, 195014), (196, 97507), (281, 68012), (347, 55076), (562, 34006), (694, 27538), (1124, 17003), (1388, 13769), (1967, 9716), (2429, 7868), (3934, 4858)]