18221007

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{18461}}^1$

素因数の和:18518

約数の個数: 16

約数和(自身を含む): 28357632

約数和(自身を除く): 10136625

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 18461, 55383, 129227, 387681, 867667, 2603001, 6073669, 18221007]

約数ペア:

[(1, 18221007), (3, 6073669), (7, 2603001), (21, 867667), (47, 387681), (141, 129227), (329, 55383), (987, 18461)]