19616863

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{151}}^1\times {\mathrm{277}}^1$

素因数の和:502

約数の個数: 16

約数和(自身を含む): 22987264

約数和(自身を除く): 3370401

約数列:

[1, 7, 67, 151, 277, 469, 1057, 1939, 10117, 18559, 41827, 70819, 129913, 292789, 2802409, 19616863]

約数ペア:

[(1, 19616863), (7, 2802409), (67, 292789), (151, 129913), (277, 70819), (469, 41827), (1057, 18559), (1939, 10117)]