18990126

素因数分解:

$2^1\times 3^4\times {\mathrm{117223}}^1$

素因数の和:117237

約数の個数: 20

約数和(自身を含む): 42552312

約数和(自身を除く): 23562186

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 117223, 234446, 351669, 703338, 1055007, 2110014, 3165021, 6330042, 9495063, 18990126]

約数ペア:

[(1, 18990126), (2, 9495063), (3, 6330042), (6, 3165021), (9, 2110014), (18, 1055007), (27, 703338), (54, 351669), (81, 234446), (162, 117223)]