19995810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{666527}}^1$

素因数の和:666537

約数の個数: 16

約数和(自身を含む): 47990016

約数和(自身を除く): 27994206

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 666527, 1333054, 1999581, 3332635, 3999162, 6665270, 9997905, 19995810]

約数ペア:

[(1, 19995810), (2, 9997905), (3, 6665270), (5, 3999162), (6, 3332635), (10, 1999581), (15, 1333054), (30, 666527)]