19538600

素因数分解:

$2^3\times 5^2\times {\mathrm{211}}^1\times {\mathrm{463}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 45741120

約数和(自身を除く): 26202520

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 211, 422, 463, 844, 926, 1055, 1688, 1852, 2110, 2315, 3704, 4220, 4630, 5275, 8440, 9260, 10550, 11575, 18520, 21100, 23150, 42200, 46300, 92600, 97693, 195386, 390772, 488465, 781544, 976930, 1953860, 2442325, 3907720, 4884650, 9769300, 19538600]

約数ペア:

[(1, 19538600), (2, 9769300), (4, 4884650), (5, 3907720), (8, 2442325), (10, 1953860), (20, 976930), (25, 781544), (40, 488465), (50, 390772), (100, 195386), (200, 97693), (211, 92600), (422, 46300), (463, 42200), (844, 23150), (926, 21100), (1055, 18520), (1688, 11575), (1852, 10550), (2110, 9260), (2315, 8440), (3704, 5275), (4220, 4630)]