19441591

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:211

約数の個数: 24

約数和(自身を含む): 22847184

約数和(自身を除く): 3405593

約数列:

[1, 13, 17, 67, 101, 169, 221, 871, 1139, 1313, 1717, 2873, 6767, 11323, 14807, 17069, 22321, 87971, 115039, 192491, 290173, 1143623, 1495507, 19441591]

約数ペア:

[(1, 19441591), (13, 1495507), (17, 1143623), (67, 290173), (101, 192491), (169, 115039), (221, 87971), (871, 22321), (1139, 17069), (1313, 14807), (1717, 11323), (2873, 6767)]