12540874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{823}}^1$

素因数の和:1245

約数の個数: 16

約数和(自身を含む): 19874880

約数和(自身を除く): 7334006

約数列:

[1, 2, 19, 38, 401, 802, 823, 1646, 7619, 15238, 15637, 31274, 330023, 660046, 6270437, 12540874]

約数ペア:

[(1, 12540874), (2, 6270437), (19, 660046), (38, 330023), (401, 31274), (802, 15637), (823, 15238), (1646, 7619)]