19646757

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12917}}^1$

素因数の和:12949

約数の個数: 18

約数和(自身を含む): 30731922

約数和(自身を除く): 11085165

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12917, 38751, 116253, 167921, 503763, 1511289, 2182973, 6548919, 19646757]

約数ペア:

[(1, 19646757), (3, 6548919), (9, 2182973), (13, 1511289), (39, 503763), (117, 167921), (169, 116253), (507, 38751), (1521, 12917)]