19421784

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2521}}^1$

素因数の和:2640

約数の個数: 48

約数和(自身を含む): 53113320

約数和(自身を除く): 33691536

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2521, 2568, 3852, 5042, 7563, 7704, 10084, 15126, 20168, 22689, 30252, 45378, 60504, 90756, 181512, 269747, 539494, 809241, 1078988, 1618482, 2157976, 2427723, 3236964, 4855446, 6473928, 9710892, 19421784]

約数ペア:

[(1, 19421784), (2, 9710892), (3, 6473928), (4, 4855446), (6, 3236964), (8, 2427723), (9, 2157976), (12, 1618482), (18, 1078988), (24, 809241), (36, 539494), (72, 269747), (107, 181512), (214, 90756), (321, 60504), (428, 45378), (642, 30252), (856, 22689), (963, 20168), (1284, 15126), (1926, 10084), (2521, 7704), (2568, 7563), (3852, 5042)]