19100840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43411}}^1$

素因数の和:43433

約数の個数: 32

約数和(自身を含む): 46884960

約数和(自身を除く): 27784120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43411, 86822, 173644, 217055, 347288, 434110, 477521, 868220, 955042, 1736440, 1910084, 2387605, 3820168, 4775210, 9550420, 19100840]

約数ペア:

[(1, 19100840), (2, 9550420), (4, 4775210), (5, 3820168), (8, 2387605), (10, 1910084), (11, 1736440), (20, 955042), (22, 868220), (40, 477521), (44, 434110), (55, 347288), (88, 217055), (110, 173644), (220, 86822), (440, 43411)]