19963192

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 38491200

約数和(自身を除く): 18528008

約数列:

[1, 2, 4, 8, 53, 106, 197, 212, 239, 394, 424, 478, 788, 956, 1576, 1912, 10441, 12667, 20882, 25334, 41764, 47083, 50668, 83528, 94166, 101336, 188332, 376664, 2495399, 4990798, 9981596, 19963192]

約数ペア:

[(1, 19963192), (2, 9981596), (4, 4990798), (8, 2495399), (53, 376664), (106, 188332), (197, 101336), (212, 94166), (239, 83528), (394, 50668), (424, 47083), (478, 41764), (788, 25334), (956, 20882), (1576, 12667), (1912, 10441)]