19644989

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3539}}^1$

素因数の和:3620

約数の個数: 16

約数和(自身を含む): 24581760

約数和(自身を除く): 4936771

約数列:

[1, 7, 13, 61, 91, 427, 793, 3539, 5551, 24773, 46007, 215879, 322049, 1511153, 2806427, 19644989]

約数ペア:

[(1, 19644989), (7, 2806427), (13, 1511153), (61, 322049), (91, 215879), (427, 46007), (793, 24773), (3539, 5551)]