12339987

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{19681}}^1$

素因数の和:19714

約数の個数: 16

約数和(自身を含む): 18894720

約数和(自身を除く): 6554733

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 19681, 59043, 216491, 373939, 649473, 1121817, 4113329, 12339987]

約数ペア:

[(1, 12339987), (3, 4113329), (11, 1121817), (19, 649473), (33, 373939), (57, 216491), (209, 59043), (627, 19681)]