19930900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{18119}}^1$

素因数の和:18144

約数の個数: 36

約数和(自身を含む): 47184480

約数和(自身を除く): 27253580

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 18119, 36238, 72476, 90595, 181190, 199309, 362380, 398618, 452975, 797236, 905950, 996545, 1811900, 1993090, 3986180, 4982725, 9965450, 19930900]

約数ペア:

[(1, 19930900), (2, 9965450), (4, 4982725), (5, 3986180), (10, 1993090), (11, 1811900), (20, 996545), (22, 905950), (25, 797236), (44, 452975), (50, 398618), (55, 362380), (100, 199309), (110, 181190), (220, 90595), (275, 72476), (550, 36238), (1100, 18119)]