19663904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47269}}^1$

素因数の和:47292

約数の個数: 24

約数和(自身を含む): 41692140

約数和(自身を除く): 22028236

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 47269, 94538, 189076, 378152, 614497, 756304, 1228994, 1512608, 2457988, 4915976, 9831952, 19663904]

約数ペア:

[(1, 19663904), (2, 9831952), (4, 4915976), (8, 2457988), (13, 1512608), (16, 1228994), (26, 756304), (32, 614497), (52, 378152), (104, 189076), (208, 94538), (416, 47269)]