18790030

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1289

約数の個数: 48

約数和(自身を含む): 40646016

約数和(自身を除く): 21855986

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 434, 490, 1085, 1237, 1519, 2170, 2474, 3038, 6185, 7595, 8659, 12370, 15190, 17318, 38347, 43295, 60613, 76694, 86590, 121226, 191735, 268429, 303065, 383470, 536858, 606130, 1342145, 1879003, 2684290, 3758006, 9395015, 18790030]

約数ペア:

[(1, 18790030), (2, 9395015), (5, 3758006), (7, 2684290), (10, 1879003), (14, 1342145), (31, 606130), (35, 536858), (49, 383470), (62, 303065), (70, 268429), (98, 191735), (155, 121226), (217, 86590), (245, 76694), (310, 60613), (434, 43295), (490, 38347), (1085, 17318), (1237, 15190), (1519, 12370), (2170, 8659), (2474, 7595), (3038, 6185)]