19563397

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 23721120

約数和(自身を除く): 4157723

約数列:

[1, 7, 49, 59, 67, 101, 413, 469, 707, 2891, 3283, 3953, 4949, 5959, 6767, 27671, 41713, 47369, 193697, 291991, 331583, 399253, 2794771, 19563397]

約数ペア:

[(1, 19563397), (7, 2794771), (49, 399253), (59, 331583), (67, 291991), (101, 193697), (413, 47369), (469, 41713), (707, 27671), (2891, 6767), (3283, 5959), (3953, 4949)]