18394649

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 23442048

約数和(自身を除く): 5047399

約数列:

[1, 7, 13, 49, 67, 91, 431, 469, 637, 871, 3017, 3283, 5603, 6097, 21119, 28877, 39221, 42679, 202139, 274547, 375401, 1414973, 2627807, 18394649]

約数ペア:

[(1, 18394649), (7, 2627807), (13, 1414973), (49, 375401), (67, 274547), (91, 202139), (431, 42679), (469, 39221), (637, 28877), (871, 21119), (3017, 6097), (3283, 5603)]