18261328

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{13751}}^1$

素因数の和:13842

約数の個数: 20

約数和(自身を含む): 35810208

約数和(自身を除く): 17548880

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 13751, 27502, 55004, 110008, 220016, 1141333, 2282666, 4565332, 9130664, 18261328]

約数ペア:

[(1, 18261328), (2, 9130664), (4, 4565332), (8, 2282666), (16, 1141333), (83, 220016), (166, 110008), (332, 55004), (664, 27502), (1328, 13751)]