19799065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{27691}}^1$

素因数の和:27720

約数の個数: 16

約数和(自身を含む): 27913536

約数和(自身を除く): 8114471

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 27691, 138455, 304601, 359983, 1523005, 1799915, 3959813, 19799065]

約数ペア:

[(1, 19799065), (5, 3959813), (11, 1799915), (13, 1523005), (55, 359983), (65, 304601), (143, 138455), (715, 27691)]