19421520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{80923}}^1$

素因数の和:80939

約数の個数: 40

約数和(自身を含む): 60207456

約数和(自身を除く): 40785936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 80923, 161846, 242769, 323692, 404615, 485538, 647384, 809230, 971076, 1213845, 1294768, 1618460, 1942152, 2427690, 3236920, 3884304, 4855380, 6473840, 9710760, 19421520]

約数ペア:

[(1, 19421520), (2, 9710760), (3, 6473840), (4, 4855380), (5, 3884304), (6, 3236920), (8, 2427690), (10, 1942152), (12, 1618460), (15, 1294768), (16, 1213845), (20, 971076), (24, 809230), (30, 647384), (40, 485538), (48, 404615), (60, 323692), (80, 242769), (120, 161846), (240, 80923)]