19917344

素因数分解:

$2^5\times {\mathrm{83}}^1\times {\mathrm{7499}}^1$

素因数の和:7592

約数の個数: 24

約数和(自身を含む): 39690000

約数和(自身を除く): 19772656

約数列:

[1, 2, 4, 8, 16, 32, 83, 166, 332, 664, 1328, 2656, 7499, 14998, 29996, 59992, 119984, 239968, 622417, 1244834, 2489668, 4979336, 9958672, 19917344]

約数ペア:

[(1, 19917344), (2, 9958672), (4, 4979336), (8, 2489668), (16, 1244834), (32, 622417), (83, 239968), (166, 119984), (332, 59992), (664, 29996), (1328, 14998), (2656, 7499)]