18504921

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3877}}^1$

素因数の和:3960

約数の個数: 16

約数和(自身を含む): 25936064

約数和(自身を除く): 7431143

約数列:

[1, 3, 37, 43, 111, 129, 1591, 3877, 4773, 11631, 143449, 166711, 430347, 500133, 6168307, 18504921]

約数ペア:

[(1, 18504921), (3, 6168307), (37, 500133), (43, 430347), (111, 166711), (129, 143449), (1591, 11631), (3877, 4773)]