19556889

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{5437}}^1$

素因数の和:5560

約数の個数: 16

約数和(自身を含む): 28712640

約数和(自身を除く): 9155751

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 5437, 16311, 59807, 179421, 592633, 1777899, 6518963, 19556889]

約数ペア:

[(1, 19556889), (3, 6518963), (11, 1777899), (33, 592633), (109, 179421), (327, 59807), (1199, 16311), (3597, 5437)]