13018743

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{4007}}^1$

素因数の和:4051

約数の個数: 18

約数和(自身を含む): 19851624

約数和(自身を除く): 6832881

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 4007, 12021, 36063, 76133, 228399, 685197, 1446527, 4339581, 13018743]

約数ペア:

[(1, 13018743), (3, 4339581), (9, 1446527), (19, 685197), (57, 228399), (171, 76133), (361, 36063), (1083, 12021), (3249, 4007)]