18761951

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{479}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 21288960

約数和(自身を除く): 2527009

約数列:

[1, 13, 23, 131, 299, 479, 1703, 3013, 6227, 11017, 39169, 62749, 143221, 815737, 1443227, 18761951]

約数ペア:

[(1, 18761951), (13, 1443227), (23, 815737), (131, 143221), (299, 62749), (479, 39169), (1703, 11017), (3013, 6227)]