19126940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136621}}^1$

素因数の和:136637

約数の個数: 24

約数和(自身を含む): 45904992

約数和(自身を除く): 26778052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136621, 273242, 546484, 683105, 956347, 1366210, 1912694, 2732420, 3825388, 4781735, 9563470, 19126940]

約数ペア:

[(1, 19126940), (2, 9563470), (4, 4781735), (5, 3825388), (7, 2732420), (10, 1912694), (14, 1366210), (20, 956347), (28, 683105), (35, 546484), (70, 273242), (140, 136621)]