19918414

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1\times {\mathrm{761}}^1$

素因数の和:1355

約数の個数: 16

約数和(自身を含む): 31272480

約数和(自身を除く): 11354066

約数列:

[1, 2, 23, 46, 569, 761, 1138, 1522, 13087, 17503, 26174, 35006, 433009, 866018, 9959207, 19918414]

約数ペア:

[(1, 19918414), (2, 9959207), (23, 866018), (46, 433009), (569, 35006), (761, 26174), (1138, 17503), (1522, 13087)]