19320804

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{7559}}^1$

素因数の和:7640

約数の個数: 36

約数和(自身を含む): 49533120

約数和(自身を除く): 30212316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 7559, 15118, 22677, 30236, 45354, 68031, 90708, 136062, 272124, 536689, 1073378, 1610067, 2146756, 3220134, 4830201, 6440268, 9660402, 19320804]

約数ペア:

[(1, 19320804), (2, 9660402), (3, 6440268), (4, 4830201), (6, 3220134), (9, 2146756), (12, 1610067), (18, 1073378), (36, 536689), (71, 272124), (142, 136062), (213, 90708), (284, 68031), (426, 45354), (639, 30236), (852, 22677), (1278, 15118), (2556, 7559)]