19469919

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{15199}}^1$

素因数の和:15270

約数の個数: 16

約数和(自身を含む): 30156800

約数和(自身を除く): 10686881

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 15199, 45597, 106393, 319179, 927139, 2781417, 6489973, 19469919]

約数ペア:

[(1, 19469919), (3, 6489973), (7, 2781417), (21, 927139), (61, 319179), (183, 106393), (427, 45597), (1281, 15199)]