19437651

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7741}}^1$

素因数の和:7784

約数の個数: 20

約数和(自身を含む): 29977024

約数和(自身を除く): 10539373

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7741, 23223, 69669, 209007, 239971, 627021, 719913, 2159739, 6479217, 19437651]

約数ペア:

[(1, 19437651), (3, 6479217), (9, 2159739), (27, 719913), (31, 627021), (81, 239971), (93, 209007), (279, 69669), (837, 23223), (2511, 7741)]