18804901591

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{22067}}^1$

素因数の和:22243

約数の個数: 32

約数和(自身を含む): 23049584640

約数和(自身を除く): 4244683049

約数列:

[1, 7, 23, 67, 79, 161, 469, 553, 1541, 1817, 5293, 10787, 12719, 22067, 37051, 121739, 154469, 507541, 852173, 1478489, 1743293, 3552787, 10349423, 12203051, 34005247, 40095739, 116800631, 238036729, 280670173, 817604417, 2686414513, 18804901591]

約数ペア:

[(1, 18804901591), (7, 2686414513), (23, 817604417), (67, 280670173), (79, 238036729), (161, 116800631), (469, 40095739), (553, 34005247), (1541, 12203051), (1817, 10349423), (5293, 3552787), (10787, 1743293), (12719, 1478489), (22067, 852173), (37051, 507541), (121739, 154469)]