19117713

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:716

約数の個数: 16

約数和(自身を含む): 26046720

約数和(自身を除く): 6929007

約数列:

[1, 3, 67, 201, 227, 419, 681, 1257, 15209, 28073, 45627, 84219, 95113, 285339, 6372571, 19117713]

約数ペア:

[(1, 19117713), (3, 6372571), (67, 285339), (201, 95113), (227, 84219), (419, 45627), (681, 28073), (1257, 15209)]