15721072

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{18539}}^1$

素因数の和:18600

約数の個数: 20

約数和(自身を含む): 31035960

約数和(自身を除く): 15314888

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 18539, 37078, 74156, 148312, 296624, 982567, 1965134, 3930268, 7860536, 15721072]

約数ペア:

[(1, 15721072), (2, 7860536), (4, 3930268), (8, 1965134), (16, 982567), (53, 296624), (106, 148312), (212, 74156), (424, 37078), (848, 18539)]