18261975

素因数分解:

$3^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{4127}}^1$

素因数の和:4199

約数の個数: 24

約数和(自身を含む): 30712320

約数和(自身を除く): 12450345

約数列:

[1, 3, 5, 15, 25, 59, 75, 177, 295, 885, 1475, 4127, 4425, 12381, 20635, 61905, 103175, 243493, 309525, 730479, 1217465, 3652395, 6087325, 18261975]

約数ペア:

[(1, 18261975), (3, 6087325), (5, 3652395), (15, 1217465), (25, 730479), (59, 309525), (75, 243493), (177, 103175), (295, 61905), (885, 20635), (1475, 12381), (4127, 4425)]