18357591

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 29747200

約数和(自身を除く): 11389609

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 331, 399, 417, 973, 993, 2317, 2641, 2919, 6289, 6951, 7923, 18487, 18867, 44023, 46009, 55461, 132069, 138027, 322063, 874171, 966189, 2622513, 6119197, 18357591]

約数ペア:

[(1, 18357591), (3, 6119197), (7, 2622513), (19, 966189), (21, 874171), (57, 322063), (133, 138027), (139, 132069), (331, 55461), (399, 46009), (417, 44023), (973, 18867), (993, 18487), (2317, 7923), (2641, 6951), (2919, 6289)]