19825388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{4211}}^1$

素因数の和:4333

約数の個数: 24

約数和(自身を含む): 38211264

約数和(自身を除く): 18385876

約数列:

[1, 2, 4, 11, 22, 44, 107, 214, 428, 1177, 2354, 4211, 4708, 8422, 16844, 46321, 92642, 185284, 450577, 901154, 1802308, 4956347, 9912694, 19825388]

約数ペア:

[(1, 19825388), (2, 9912694), (4, 4956347), (11, 1802308), (22, 901154), (44, 450577), (107, 185284), (214, 92642), (428, 46321), (1177, 16844), (2354, 8422), (4211, 4708)]