18836631

素因数分解:

$3^{10}\times {\mathrm{11}}^1\times {\mathrm{29}}^1$

素因数の和:70

約数の個数: 44

約数和(自身を含む): 31886280

約数和(自身を除く): 13049649

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 243, 261, 297, 319, 729, 783, 891, 957, 2187, 2349, 2673, 2871, 6561, 7047, 8019, 8613, 19683, 21141, 24057, 25839, 59049, 63423, 72171, 77517, 190269, 216513, 232551, 570807, 649539, 697653, 1712421, 2092959, 6278877, 18836631]

約数ペア:

[(1, 18836631), (3, 6278877), (9, 2092959), (11, 1712421), (27, 697653), (29, 649539), (33, 570807), (81, 232551), (87, 216513), (99, 190269), (243, 77517), (261, 72171), (297, 63423), (319, 59049), (729, 25839), (783, 24057), (891, 21141), (957, 19683), (2187, 8613), (2349, 8019), (2673, 7047), (2871, 6561)]