19861972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{16607}}^1$

素因数の和:16647

約数の個数: 24

約数和(自身を含む): 39062016

約数和(自身を除く): 19200044

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 16607, 33214, 66428, 215891, 381961, 431782, 763922, 863564, 1527844, 4965493, 9930986, 19861972]

約数ペア:

[(1, 19861972), (2, 9930986), (4, 4965493), (13, 1527844), (23, 863564), (26, 763922), (46, 431782), (52, 381961), (92, 215891), (299, 66428), (598, 33214), (1196, 16607)]