19867024

素因数分解:

$2^4\times {\mathrm{317}}^1\times {\mathrm{3917}}^1$

素因数の和:4242

約数の個数: 20

約数和(自身を含む): 38623644

約数和(自身を除く): 18756620

約数列:

[1, 2, 4, 8, 16, 317, 634, 1268, 2536, 3917, 5072, 7834, 15668, 31336, 62672, 1241689, 2483378, 4966756, 9933512, 19867024]

約数ペア:

[(1, 19867024), (2, 9933512), (4, 4966756), (8, 2483378), (16, 1241689), (317, 62672), (634, 31336), (1268, 15668), (2536, 7834), (3917, 5072)]