18716127

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{503}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 25482240

約数和(自身を除く): 6766113

約数列:

[1, 3, 79, 157, 237, 471, 503, 1509, 12403, 37209, 39737, 78971, 119211, 236913, 6238709, 18716127]

約数ペア:

[(1, 18716127), (3, 6238709), (79, 236913), (157, 119211), (237, 78971), (471, 39737), (503, 37209), (1509, 12403)]