2019457840

素因数分解:

$2^4\times 5^1\times {\mathrm{463}}^1\times {\mathrm{54521}}^1$

素因数の和:54997

約数の個数: 40

約数和(自身を含む): 4705466688

約数和(自身を除く): 2686008848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 463, 926, 1852, 2315, 3704, 4630, 7408, 9260, 18520, 37040, 54521, 109042, 218084, 272605, 436168, 545210, 872336, 1090420, 2180840, 4361680, 25243223, 50486446, 100972892, 126216115, 201945784, 252432230, 403891568, 504864460, 1009728920, 2019457840]

約数ペア:

[(1, 2019457840), (2, 1009728920), (4, 504864460), (5, 403891568), (8, 252432230), (10, 201945784), (16, 126216115), (20, 100972892), (40, 50486446), (80, 25243223), (463, 4361680), (926, 2180840), (1852, 1090420), (2315, 872336), (3704, 545210), (4630, 436168), (7408, 272605), (9260, 218084), (18520, 109042), (37040, 54521)]