19666842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{252139}}^1$

素因数の和:252157

約数の個数: 16

約数和(自身を含む): 42359520

約数和(自身を除く): 22692678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 252139, 504278, 756417, 1512834, 3277807, 6555614, 9833421, 19666842]

約数ペア:

[(1, 19666842), (2, 9833421), (3, 6555614), (6, 3277807), (13, 1512834), (26, 756417), (39, 504278), (78, 252139)]