18056647

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 22120560

約数和(自身を除く): 4063913

約数列:

[1, 7, 29, 49, 97, 131, 203, 679, 917, 1421, 2813, 3799, 4753, 6419, 12707, 19691, 26593, 88949, 137837, 186151, 368503, 622643, 2579521, 18056647]

約数ペア:

[(1, 18056647), (7, 2579521), (29, 622643), (49, 368503), (97, 186151), (131, 137837), (203, 88949), (679, 26593), (917, 19691), (1421, 12707), (2813, 6419), (3799, 4753)]