18001995

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109103}}^1$

素因数の和:109122

約数の個数: 16

約数和(自身を含む): 31421952

約数和(自身を除く): 13419957

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 109103, 327309, 545515, 1200133, 1636545, 3600399, 6000665, 18001995]

約数ペア:

[(1, 18001995), (3, 6000665), (5, 3600399), (11, 1636545), (15, 1200133), (33, 545515), (55, 327309), (165, 109103)]