19499961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^2$

素因数の和:301

約数の個数: 24

約数和(自身を含む): 29132544

約数和(自身を除く): 9632583

約数列:

[1, 3, 13, 31, 39, 93, 127, 381, 403, 1209, 1651, 3937, 4953, 11811, 16129, 48387, 51181, 153543, 209677, 499999, 629031, 1499997, 6499987, 19499961]

約数ペア:

[(1, 19499961), (3, 6499987), (13, 1499997), (31, 629031), (39, 499999), (93, 209677), (127, 153543), (381, 51181), (403, 48387), (1209, 16129), (1651, 11811), (3937, 4953)]