18586794961

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1\times {\mathrm{3319}}^1$

素因数の和:3685

約数の個数: 32

約数和(自身を含む): 22213509120

約数和(自身を除く): 3626714159

約数列:

[1, 7, 31, 131, 197, 217, 917, 1379, 3319, 4061, 6107, 23233, 25807, 28427, 42749, 102889, 180649, 434789, 653843, 720223, 800017, 3043523, 4576901, 5600119, 13478459, 20269133, 85653433, 94349213, 141883931, 599574031, 2655256423, 18586794961]

約数ペア:

[(1, 18586794961), (7, 2655256423), (31, 599574031), (131, 141883931), (197, 94349213), (217, 85653433), (917, 20269133), (1379, 13478459), (3319, 5600119), (4061, 4576901), (6107, 3043523), (23233, 800017), (25807, 720223), (28427, 653843), (42749, 434789), (102889, 180649)]