19388474

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72889}}^1$

素因数の和:72917

約数の個数: 16

約数和(自身を含む): 34987200

約数和(自身を除く): 15598726

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72889, 145778, 510223, 1020446, 1384891, 2769782, 9694237, 19388474]

約数ペア:

[(1, 19388474), (2, 9694237), (7, 2769782), (14, 1384891), (19, 1020446), (38, 510223), (133, 145778), (266, 72889)]