19131338

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1\times {\mathrm{1289}}^1$

素因数の和:1513

約数の個数: 16

約数和(自身を含む): 29582280

約数和(自身を除く): 10450942

約数列:

[1, 2, 41, 82, 181, 362, 1289, 2578, 7421, 14842, 52849, 105698, 233309, 466618, 9565669, 19131338]

約数ペア:

[(1, 19131338), (2, 9565669), (41, 466618), (82, 233309), (181, 105698), (362, 52849), (1289, 14842), (2578, 7421)]