17961958

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41387}}^1$

素因数の和:41427

約数の個数: 16

約数和(自身を含む): 31785984

約数和(自身を除く): 13824026

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 41387, 82774, 289709, 579418, 1282997, 2565994, 8980979, 17961958]

約数ペア:

[(1, 17961958), (2, 8980979), (7, 2565994), (14, 1282997), (31, 579418), (62, 289709), (217, 82774), (434, 41387)]