18857734

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43451}}^1$

素因数の和:43491

約数の個数: 16

約数和(自身を含む): 33371136

約数和(自身を除く): 14513402

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 43451, 86902, 304157, 608314, 1346981, 2693962, 9428867, 18857734]

約数ペア:

[(1, 18857734), (2, 9428867), (7, 2693962), (14, 1346981), (31, 608314), (62, 304157), (217, 86902), (434, 43451)]