19396040

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4801}}^1$

素因数の和:4913

約数の個数: 32

約数和(自身を含む): 44082360

約数和(自身を除く): 24686320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 4801, 9602, 19204, 24005, 38408, 48010, 96020, 192040, 484901, 969802, 1939604, 2424505, 3879208, 4849010, 9698020, 19396040]

約数ペア:

[(1, 19396040), (2, 9698020), (4, 4849010), (5, 3879208), (8, 2424505), (10, 1939604), (20, 969802), (40, 484901), (101, 192040), (202, 96020), (404, 48010), (505, 38408), (808, 24005), (1010, 19204), (2020, 9602), (4040, 4801)]