19530172

素因数分解:

$2^2\times {\mathrm{137}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 34799184

約数和(自身を除く): 15269012

約数列:

[1, 2, 4, 137, 157, 227, 274, 314, 454, 548, 628, 908, 21509, 31099, 35639, 43018, 62198, 71278, 86036, 124396, 142556, 4882543, 9765086, 19530172]

約数ペア:

[(1, 19530172), (2, 9765086), (4, 4882543), (137, 142556), (157, 124396), (227, 86036), (274, 71278), (314, 62198), (454, 43018), (548, 35639), (628, 31099), (908, 21509)]