19710110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{293}}^1$

素因数の和:369

約数の個数: 48

約数和(自身を含む): 42039648

約数和(自身を除く): 22329538

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 293, 310, 434, 586, 961, 1085, 1465, 1922, 2051, 2170, 2930, 4102, 4805, 6727, 9083, 9610, 10255, 13454, 18166, 20510, 33635, 45415, 63581, 67270, 90830, 127162, 281573, 317905, 563146, 635810, 1407865, 1971011, 2815730, 3942022, 9855055, 19710110]

約数ペア:

[(1, 19710110), (2, 9855055), (5, 3942022), (7, 2815730), (10, 1971011), (14, 1407865), (31, 635810), (35, 563146), (62, 317905), (70, 281573), (155, 127162), (217, 90830), (293, 67270), (310, 63581), (434, 45415), (586, 33635), (961, 20510), (1085, 18166), (1465, 13454), (1922, 10255), (2051, 9610), (2170, 9083), (2930, 6727), (4102, 4805)]