19207664

素因数分解:

$2^4\times 7^1\times {\mathrm{317}}^1\times {\mathrm{541}}^1$

素因数の和:873

約数の個数: 40

約数和(自身を含む): 42744288

約数和(自身を除く): 23536624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 317, 541, 634, 1082, 1268, 2164, 2219, 2536, 3787, 4328, 4438, 5072, 7574, 8656, 8876, 15148, 17752, 30296, 35504, 60592, 171497, 342994, 685988, 1200479, 1371976, 2400958, 2743952, 4801916, 9603832, 19207664]

約数ペア:

[(1, 19207664), (2, 9603832), (4, 4801916), (7, 2743952), (8, 2400958), (14, 1371976), (16, 1200479), (28, 685988), (56, 342994), (112, 171497), (317, 60592), (541, 35504), (634, 30296), (1082, 17752), (1268, 15148), (2164, 8876), (2219, 8656), (2536, 7574), (3787, 5072), (4328, 4438)]