20193523

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1019}}^1$

素因数の和:1194

約数の個数: 16

約数和(自身を含む): 24480000

約数和(自身を除く): 4286477

約数列:

[1, 7, 19, 133, 149, 1019, 1043, 2831, 7133, 19361, 19817, 135527, 151831, 1062817, 2884789, 20193523]

約数ペア:

[(1, 20193523), (7, 2884789), (19, 1062817), (133, 151831), (149, 135527), (1019, 19817), (1043, 19361), (2831, 7133)]