18151441

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{653}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 23920704

約数和(自身を除く): 5769263

約数列:

[1, 7, 11, 19, 77, 133, 209, 361, 653, 1463, 2527, 3971, 4571, 7183, 12407, 27797, 50281, 86849, 136477, 235733, 955339, 1650131, 2593063, 18151441]

約数ペア:

[(1, 18151441), (7, 2593063), (11, 1650131), (19, 955339), (77, 235733), (133, 136477), (209, 86849), (361, 50281), (653, 27797), (1463, 12407), (2527, 7183), (3971, 4571)]