19389590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{491}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 38257920

約数和(自身を除く): 18868330

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 359, 491, 718, 982, 1795, 2455, 3590, 3949, 4910, 5401, 7898, 10802, 19745, 27005, 39490, 54010, 176269, 352538, 881345, 1762690, 1938959, 3877918, 9694795, 19389590]

約数ペア:

[(1, 19389590), (2, 9694795), (5, 3877918), (10, 1938959), (11, 1762690), (22, 881345), (55, 352538), (110, 176269), (359, 54010), (491, 39490), (718, 27005), (982, 19745), (1795, 10802), (2455, 7898), (3590, 5401), (3949, 4910)]