18566780

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9013}}^1$

素因数の和:9125

約数の個数: 24

約数和(自身を含む): 39373152

約数和(自身を除く): 20806372

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 9013, 18026, 36052, 45065, 90130, 180260, 928339, 1856678, 3713356, 4641695, 9283390, 18566780]

約数ペア:

[(1, 18566780), (2, 9283390), (4, 4641695), (5, 3713356), (10, 1856678), (20, 928339), (103, 180260), (206, 90130), (412, 45065), (515, 36052), (1030, 18026), (2060, 9013)]