18439018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13381}}^1$

素因数の和:13449

約数の個数: 16

約数和(自身を含む): 30350376

約数和(自身を除く): 11911358

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 13381, 26762, 173953, 347906, 709193, 1418386, 9219509, 18439018]

約数ペア:

[(1, 18439018), (2, 9219509), (13, 1418386), (26, 709193), (53, 347906), (106, 173953), (689, 26762), (1378, 13381)]