18424263

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{641}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 29336832

約数和(自身を除く): 10912569

約数列:

[1, 3, 11, 13, 33, 39, 67, 143, 201, 429, 641, 737, 871, 1923, 2211, 2613, 7051, 8333, 9581, 21153, 24999, 28743, 42947, 91663, 128841, 274989, 472417, 558311, 1417251, 1674933, 6141421, 18424263]

約数ペア:

[(1, 18424263), (3, 6141421), (11, 1674933), (13, 1417251), (33, 558311), (39, 472417), (67, 274989), (143, 128841), (201, 91663), (429, 42947), (641, 28743), (737, 24999), (871, 21153), (1923, 9581), (2211, 8333), (2613, 7051)]