19827562

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{491}}^1$

素因数の和:885

約数の個数: 16

約数和(自身を含む): 30381984

約数和(自身を除く): 10554422

約数列:

[1, 2, 61, 122, 331, 491, 662, 982, 20191, 29951, 40382, 59902, 162521, 325042, 9913781, 19827562]

約数ペア:

[(1, 19827562), (2, 9913781), (61, 325042), (122, 162521), (331, 59902), (491, 40382), (662, 29951), (982, 20191)]