19388619

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:876

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 11637621

約数列:

[1, 3, 9, 17, 27, 51, 53, 153, 159, 459, 477, 797, 901, 1431, 2391, 2703, 7173, 8109, 13549, 21519, 24327, 40647, 42241, 121941, 126723, 365823, 380169, 718097, 1140507, 2154291, 6462873, 19388619]

約数ペア:

[(1, 19388619), (3, 6462873), (9, 2154291), (17, 1140507), (27, 718097), (51, 380169), (53, 365823), (153, 126723), (159, 121941), (459, 42241), (477, 40647), (797, 24327), (901, 21519), (1431, 13549), (2391, 8109), (2703, 7173)]