19930838

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{2731}}^1$

素因数の和:2863

約数の個数: 16

約数和(自身を含む): 30980880

約数和(自身を除く): 11050042

約数列:

[1, 2, 41, 82, 89, 178, 2731, 3649, 5462, 7298, 111971, 223942, 243059, 486118, 9965419, 19930838]

約数ペア:

[(1, 19930838), (2, 9965419), (41, 486118), (82, 243059), (89, 223942), (178, 111971), (2731, 7298), (3649, 5462)]