19400159

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 16

約数和(自身を含む): 21362400

約数和(自身を除く): 1962241

約数列:

[1, 19, 29, 137, 257, 551, 2603, 3973, 4883, 7453, 35209, 75487, 141607, 668971, 1021061, 19400159]

約数ペア:

[(1, 19400159), (19, 1021061), (29, 668971), (137, 141607), (257, 75487), (551, 35209), (2603, 7453), (3973, 4883)]