19338888907

素因数分解:

${\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1907}}^1\times {\mathrm{10987}}^1$

素因数の和:12978

約数の個数: 16

約数和(自身を含む): 21132824832

約数和(自身を除く): 1793935925

約数列:

[1, 13, 71, 923, 1907, 10987, 24791, 135397, 142831, 780077, 1760161, 10141001, 20952209, 272378717, 1487606839, 19338888907]

約数ペア:

[(1, 19338888907), (13, 1487606839), (71, 272378717), (923, 20952209), (1907, 10141001), (10987, 1760161), (24791, 780077), (135397, 142831)]