19915254

素因数分解:

$2^1\times 3^3\times {\mathrm{368801}}^1$

素因数の和:368812

約数の個数: 16

約数和(自身を含む): 44256240

約数和(自身を除く): 24340986

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 368801, 737602, 1106403, 2212806, 3319209, 6638418, 9957627, 19915254]

約数ペア:

[(1, 19915254), (2, 9957627), (3, 6638418), (6, 3319209), (9, 2212806), (18, 1106403), (27, 737602), (54, 368801)]