19322380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12547}}^1$

素因数の和:12574

約数の個数: 48

約数和(自身を含む): 50593536

約数和(自身を除く): 31271156

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 12547, 25094, 50188, 62735, 87829, 125470, 138017, 175658, 250940, 276034, 351316, 439145, 552068, 690085, 878290, 966119, 1380170, 1756580, 1932238, 2760340, 3864476, 4830595, 9661190, 19322380]

約数ペア:

[(1, 19322380), (2, 9661190), (4, 4830595), (5, 3864476), (7, 2760340), (10, 1932238), (11, 1756580), (14, 1380170), (20, 966119), (22, 878290), (28, 690085), (35, 552068), (44, 439145), (55, 351316), (70, 276034), (77, 250940), (110, 175658), (140, 138017), (154, 125470), (220, 87829), (308, 62735), (385, 50188), (770, 25094), (1540, 12547)]