19956838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{24517}}^1$

素因数の和:24567

約数の個数: 16

約数和(自身を含む): 33540624

約数和(自身を除く): 13583786

約数列:

[1, 2, 11, 22, 37, 74, 407, 814, 24517, 49034, 269687, 539374, 907129, 1814258, 9978419, 19956838]

約数ペア:

[(1, 19956838), (2, 9978419), (11, 1814258), (22, 907129), (37, 539374), (74, 269687), (407, 49034), (814, 24517)]