19560021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9463}}^1$

素因数の和:9532

約数の個数: 16

約数和(自身を含む): 28619136

約数和(自身を除く): 9059115

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9463, 28389, 123019, 369057, 501539, 1504617, 6520007, 19560021]

約数ペア:

[(1, 19560021), (3, 6520007), (13, 1504617), (39, 501539), (53, 369057), (159, 123019), (689, 28389), (2067, 9463)]