18983727

素因数分解:

$3^4\times 7^2\times {\mathrm{4783}}^1$

素因数の和:4809

約数の個数: 30

約数和(自身を含む): 32995248

約数和(自身を除く): 14011521

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4783, 14349, 33481, 43047, 100443, 129141, 234367, 301329, 387423, 703101, 903987, 2109303, 2711961, 6327909, 18983727]

約数ペア:

[(1, 18983727), (3, 6327909), (7, 2711961), (9, 2109303), (21, 903987), (27, 703101), (49, 387423), (63, 301329), (81, 234367), (147, 129141), (189, 100443), (441, 43047), (567, 33481), (1323, 14349), (3969, 4783)]