19813838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{16993}}^1$

素因数の和:17059

約数の個数: 16

約数和(自身を含む): 33036336

約数和(自身を除く): 13222498

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 16993, 33986, 186923, 373846, 900629, 1801258, 9906919, 19813838]

約数ペア:

[(1, 19813838), (2, 9906919), (11, 1801258), (22, 900629), (53, 373846), (106, 186923), (583, 33986), (1166, 16993)]