17654420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6637}}^1$

素因数の和:6672

約数の個数: 48

約数和(自身を含む): 44607360

約数和(自身を除く): 26952940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 6637, 13274, 26548, 33185, 46459, 66370, 92918, 126103, 132740, 185836, 232295, 252206, 464590, 504412, 630515, 882721, 929180, 1261030, 1765442, 2522060, 3530884, 4413605, 8827210, 17654420]

約数ペア:

[(1, 17654420), (2, 8827210), (4, 4413605), (5, 3530884), (7, 2522060), (10, 1765442), (14, 1261030), (19, 929180), (20, 882721), (28, 630515), (35, 504412), (38, 464590), (70, 252206), (76, 232295), (95, 185836), (133, 132740), (140, 126103), (190, 92918), (266, 66370), (380, 46459), (532, 33185), (665, 26548), (1330, 13274), (2660, 6637)]