19745138

素因数分解:

$2^1\times 7^3\times {\mathrm{107}}^1\times {\mathrm{269}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 15246862

約数列:

[1, 2, 7, 14, 49, 98, 107, 214, 269, 343, 538, 686, 749, 1498, 1883, 3766, 5243, 10486, 13181, 26362, 28783, 36701, 57566, 73402, 92267, 184534, 201481, 402962, 1410367, 2820734, 9872569, 19745138]

約数ペア:

[(1, 19745138), (2, 9872569), (7, 2820734), (14, 1410367), (49, 402962), (98, 201481), (107, 184534), (214, 92267), (269, 73402), (343, 57566), (538, 36701), (686, 28783), (749, 26362), (1498, 13181), (1883, 10486), (3766, 5243)]