19840142

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{74587}}^1$

素因数の和:74615

約数の個数: 16

約数和(自身を含む): 35802240

約数和(自身を除く): 15962098

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 74587, 149174, 522109, 1044218, 1417153, 2834306, 9920071, 19840142]

約数ペア:

[(1, 19840142), (2, 9920071), (7, 2834306), (14, 1417153), (19, 1044218), (38, 522109), (133, 149174), (266, 74587)]