19478080

素因数分解:

$2^6\times 5^1\times {\mathrm{60869}}^1$

素因数の和:60886

約数の個数: 28

約数和(自身を含む): 46382940

約数和(自身を除く): 26904860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 60869, 121738, 243476, 304345, 486952, 608690, 973904, 1217380, 1947808, 2434760, 3895616, 4869520, 9739040, 19478080]

約数ペア:

[(1, 19478080), (2, 9739040), (4, 4869520), (5, 3895616), (8, 2434760), (10, 1947808), (16, 1217380), (20, 973904), (32, 608690), (40, 486952), (64, 304345), (80, 243476), (160, 121738), (320, 60869)]