19645874

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1\times {\mathrm{541}}^1$

素因数の和:881

約数の個数: 16

約数和(自身を含む): 30074496

約数和(自身を除く): 10428622

約数列:

[1, 2, 67, 134, 271, 541, 542, 1082, 18157, 36247, 36314, 72494, 146611, 293222, 9822937, 19645874]

約数ペア:

[(1, 19645874), (2, 9822937), (67, 293222), (134, 146611), (271, 72494), (541, 36314), (542, 36247), (1082, 18157)]