19896079

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{331}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 23627776

約数和(自身を除く): 3731697

約数列:

[1, 7, 31, 217, 277, 331, 1939, 2317, 8587, 10261, 60109, 71827, 91687, 641809, 2842297, 19896079]

約数ペア:

[(1, 19896079), (7, 2842297), (31, 641809), (217, 91687), (277, 71827), (331, 60109), (1939, 10261), (2317, 8587)]