19902386

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74821}}^1$

素因数の和:74849

約数の個数: 16

約数和(自身を含む): 35914560

約数和(自身を除く): 16012174

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74821, 149642, 523747, 1047494, 1421599, 2843198, 9951193, 19902386]

約数ペア:

[(1, 19902386), (2, 9951193), (7, 2843198), (14, 1421599), (19, 1047494), (38, 523747), (133, 149642), (266, 74821)]