18843938

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{457}}^1$

素因数の和:901

約数の個数: 16

約数和(自身を含む): 28936440

約数和(自身を除く): 10092502

約数列:

[1, 2, 53, 106, 389, 457, 778, 914, 20617, 24221, 41234, 48442, 177773, 355546, 9421969, 18843938]

約数ペア:

[(1, 18843938), (2, 9421969), (53, 355546), (106, 177773), (389, 48442), (457, 41234), (778, 24221), (914, 20617)]