19816276

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 35580384

約数和(自身を除く): 15764108

約数列:

[1, 2, 4, 53, 106, 211, 212, 422, 443, 844, 886, 1772, 11183, 22366, 23479, 44732, 46958, 93473, 93916, 186946, 373892, 4954069, 9908138, 19816276]

約数ペア:

[(1, 19816276), (2, 9908138), (4, 4954069), (53, 373892), (106, 186946), (211, 93916), (212, 93473), (422, 46958), (443, 44732), (844, 23479), (886, 22366), (1772, 11183)]