18656253

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{26921}}^1$

素因数の和:26945

約数の個数: 24

約数和(自身を含む): 33598656

約数和(自身を除く): 14942403

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 26921, 80763, 188447, 242289, 296131, 565341, 888393, 1696023, 2072917, 2665179, 6218751, 18656253]

約数ペア:

[(1, 18656253), (3, 6218751), (7, 2665179), (9, 2072917), (11, 1696023), (21, 888393), (33, 565341), (63, 296131), (77, 242289), (99, 188447), (231, 80763), (693, 26921)]