19779747

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{22051}}^1$

素因数の和:22090

約数の個数: 16

約数和(自身を含む): 29637888

約数和(自身を除く): 9858141

約数列:

[1, 3, 13, 23, 39, 69, 299, 897, 22051, 66153, 286663, 507173, 859989, 1521519, 6593249, 19779747]

約数ペア:

[(1, 19779747), (3, 6593249), (13, 1521519), (23, 859989), (39, 507173), (69, 286663), (299, 66153), (897, 22051)]