18957717

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{211}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 28111200

約数和(自身を除く): 9153483

約数列:

[1, 3, 9, 67, 149, 201, 211, 447, 603, 633, 1341, 1899, 9983, 14137, 29949, 31439, 42411, 89847, 94317, 127233, 282951, 2106413, 6319239, 18957717]

約数ペア:

[(1, 18957717), (3, 6319239), (9, 2106413), (67, 282951), (149, 127233), (201, 94317), (211, 89847), (447, 42411), (603, 31439), (633, 29949), (1341, 14137), (1899, 9983)]