19815458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{661}}^1\times {\mathrm{1153}}^1$

素因数の和:1829

約数の個数: 16

約数和(自身を含む): 32085816

約数和(自身を除く): 12270358

約数列:

[1, 2, 13, 26, 661, 1153, 1322, 2306, 8593, 14989, 17186, 29978, 762133, 1524266, 9907729, 19815458]

約数ペア:

[(1, 19815458), (2, 9907729), (13, 1524266), (26, 762133), (661, 29978), (1153, 17186), (1322, 14989), (2306, 8593)]