18888923937

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{197767}}^1$

素因数の和:197893

約数の個数: 32

約数和(自身を含む): 28352020480

約数和(自身を除く): 9463096543

約数列:

[1, 3, 13, 31, 39, 79, 93, 237, 403, 1027, 1209, 2449, 3081, 7347, 31837, 95511, 197767, 593301, 2570971, 6130777, 7712913, 15623593, 18392331, 46870779, 79700101, 203106709, 239100303, 484331383, 609320127, 1452994149, 6296307979, 18888923937]

約数ペア:

[(1, 18888923937), (3, 6296307979), (13, 1452994149), (31, 609320127), (39, 484331383), (79, 239100303), (93, 203106709), (237, 79700101), (403, 46870779), (1027, 18392331), (1209, 15623593), (2449, 7712913), (3081, 6130777), (7347, 2570971), (31837, 593301), (95511, 197767)]