19265840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21893}}^1$

素因数の和:21917

約数の個数: 40

約数和(自身を含む): 48867408

約数和(自身を除く): 29601568

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 21893, 43786, 87572, 109465, 175144, 218930, 240823, 350288, 437860, 481646, 875720, 963292, 1204115, 1751440, 1926584, 2408230, 3853168, 4816460, 9632920, 19265840]

約数ペア:

[(1, 19265840), (2, 9632920), (4, 4816460), (5, 3853168), (8, 2408230), (10, 1926584), (11, 1751440), (16, 1204115), (20, 963292), (22, 875720), (40, 481646), (44, 437860), (55, 350288), (80, 240823), (88, 218930), (110, 175144), (176, 109465), (220, 87572), (440, 43786), (880, 21893)]