18808212879

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4073687}}^1$

素因数の和:4073721

約数の個数: 24

約数和(自身を含む): 29656448640

約数和(自身を除く): 10848235761

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4617, 4073687, 12221061, 36663183, 77400053, 109989549, 232200159, 329968647, 696600477, 989905941, 2089801431, 6269404293, 18808212879]

約数ペア:

[(1, 18808212879), (3, 6269404293), (9, 2089801431), (19, 989905941), (27, 696600477), (57, 329968647), (81, 232200159), (171, 109989549), (243, 77400053), (513, 36663183), (1539, 12221061), (4617, 4073687)]