18801004

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:206

約数の個数: 36

約数和(自身を含む): 34977432

約数和(自身を除く): 16176428

約数列:

[1, 2, 4, 31, 62, 67, 73, 124, 134, 146, 268, 292, 961, 1922, 2077, 2263, 3844, 4154, 4526, 4891, 8308, 9052, 9782, 19564, 64387, 70153, 128774, 140306, 151621, 257548, 280612, 303242, 606484, 4700251, 9400502, 18801004]

約数ペア:

[(1, 18801004), (2, 9400502), (4, 4700251), (31, 606484), (62, 303242), (67, 280612), (73, 257548), (124, 151621), (134, 140306), (146, 128774), (268, 70153), (292, 64387), (961, 19564), (1922, 9782), (2077, 9052), (2263, 8308), (3844, 4891), (4154, 4526)]