19389986

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17987}}^1$

素因数の和:18014

約数の個数: 24

約数和(自身を含む): 36911376

約数和(自身を除く): 17521390

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 17987, 35974, 125909, 197857, 251818, 395714, 881363, 1384999, 1762726, 2769998, 9694993, 19389986]

約数ペア:

[(1, 19389986), (2, 9694993), (7, 2769998), (11, 1762726), (14, 1384999), (22, 881363), (49, 395714), (77, 251818), (98, 197857), (154, 125909), (539, 35974), (1078, 17987)]