18817191

素因数分解:

$3^5\times {\mathrm{211}}^1\times {\mathrm{367}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 28397824

約数和(自身を除く): 9580633

約数列:

[1, 3, 9, 27, 81, 211, 243, 367, 633, 1101, 1899, 3303, 5697, 9909, 17091, 29727, 51273, 77437, 89181, 232311, 696933, 2090799, 6272397, 18817191]

約数ペア:

[(1, 18817191), (3, 6272397), (9, 2090799), (27, 696933), (81, 232311), (211, 89181), (243, 77437), (367, 51273), (633, 29727), (1101, 17091), (1899, 9909), (3303, 5697)]