19421649

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{113}}^2$

素因数の和:258

約数の個数: 27

約数和(自身を含む): 30648657

約数和(自身を除く): 11227008

約数列:

[1, 3, 9, 13, 39, 113, 117, 169, 339, 507, 1017, 1469, 1521, 4407, 12769, 13221, 19097, 38307, 57291, 114921, 165997, 171873, 497991, 1493973, 2157961, 6473883, 19421649]

約数ペア:

[(1, 19421649), (3, 6473883), (9, 2157961), (13, 1493973), (39, 497991), (113, 171873), (117, 165997), (169, 114921), (339, 57291), (507, 38307), (1017, 19097), (1469, 13221), (1521, 12769)]