18981897

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{10853}}^1$

素因数の和:10920

約数の個数: 16

約数和(自身を含む): 28133568

約数和(自身を除く): 9151671

約数列:

[1, 3, 11, 33, 53, 159, 583, 1749, 10853, 32559, 119383, 358149, 575209, 1725627, 6327299, 18981897]

約数ペア:

[(1, 18981897), (3, 6327299), (11, 1725627), (33, 575209), (53, 358149), (159, 119383), (583, 32559), (1749, 10853)]