198779615

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{20717}}^1$

素因数の和:20842

約数の個数: 16

約数和(自身を含む): 253588320

約数和(自身を除く): 54808705

約数列:

[1, 5, 19, 95, 101, 505, 1919, 9595, 20717, 103585, 393623, 1968115, 2092417, 10462085, 39755923, 198779615]

約数ペア:

[(1, 198779615), (5, 39755923), (19, 10462085), (95, 2092417), (101, 1968115), (505, 393623), (1919, 103585), (9595, 20717)]