19805942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40093}}^1$

素因数の和:40127

約数の個数: 16

約数和(自身を含む): 33678960

約数和(自身を除く): 13873018

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 40093, 80186, 521209, 761767, 1042418, 1523534, 9902971, 19805942]

約数ペア:

[(1, 19805942), (2, 9902971), (13, 1523534), (19, 1042418), (26, 761767), (38, 521209), (247, 80186), (494, 40093)]