19639863

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2671}}^1$

素因数の和:2739

約数の個数: 24

約数和(自身を含む): 30567680

約数和(自身を除く): 10927817

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 2671, 7353, 8013, 24039, 50749, 114853, 152247, 344559, 456741, 1033677, 2182207, 6546621, 19639863]

約数ペア:

[(1, 19639863), (3, 6546621), (9, 2182207), (19, 1033677), (43, 456741), (57, 344559), (129, 152247), (171, 114853), (387, 50749), (817, 24039), (2451, 8013), (2671, 7353)]