19887747

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{14699}}^1$

素因数の和:14754

約数の個数: 16

約数和(自身を含む): 29635200

約数和(自身を除く): 9747453

約数列:

[1, 3, 11, 33, 41, 123, 451, 1353, 14699, 44097, 161689, 485067, 602659, 1807977, 6629249, 19887747]

約数ペア:

[(1, 19887747), (3, 6629249), (11, 1807977), (33, 602659), (41, 485067), (123, 161689), (451, 44097), (1353, 14699)]