18204890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{461}}^1$

素因数の和:838

約数の個数: 32

約数和(自身を含む): 35925120

約数和(自身を除く): 17720230

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 359, 461, 718, 922, 1795, 2305, 3590, 3949, 4610, 5071, 7898, 10142, 19745, 25355, 39490, 50710, 165499, 330998, 827495, 1654990, 1820489, 3640978, 9102445, 18204890]

約数ペア:

[(1, 18204890), (2, 9102445), (5, 3640978), (10, 1820489), (11, 1654990), (22, 827495), (55, 330998), (110, 165499), (359, 50710), (461, 39490), (718, 25355), (922, 19745), (1795, 10142), (2305, 7898), (3590, 5071), (3949, 4610)]