18893187

素因数分解:

$3^2\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:427

約数の個数: 24

約数和(自身を含む): 27986400

約数和(自身を除く): 9093213

約数列:

[1, 3, 9, 89, 103, 229, 267, 309, 687, 801, 927, 2061, 9167, 20381, 23587, 27501, 61143, 70761, 82503, 183429, 212283, 2099243, 6297729, 18893187]

約数ペア:

[(1, 18893187), (3, 6297729), (9, 2099243), (89, 212283), (103, 183429), (229, 82503), (267, 70761), (309, 61143), (687, 27501), (801, 23587), (927, 20381), (2061, 9167)]