19731903

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:1006

約数の個数: 16

約数和(自身を含む): 27282432

約数和(自身を除く): 7550529

約数列:

[1, 3, 31, 93, 331, 641, 993, 1923, 10261, 19871, 30783, 59613, 212171, 636513, 6577301, 19731903]

約数ペア:

[(1, 19731903), (3, 6577301), (31, 636513), (93, 212171), (331, 59613), (641, 30783), (993, 19871), (1923, 10261)]