19147947

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{70139}}^1$

素因数の和:70162

約数の個数: 16

約数和(自身を含む): 31422720

約数和(自身を除く): 12274773

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 70139, 210417, 490973, 911807, 1472919, 2735421, 6382649, 19147947]

約数ペア:

[(1, 19147947), (3, 6382649), (7, 2735421), (13, 1472919), (21, 911807), (39, 490973), (91, 210417), (273, 70139)]