18651141

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12119}}^1$

素因数の和:12150

約数の個数: 20

約数和(自身を含む): 29330400

約数和(自身を除く): 10679259

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12119, 36357, 109071, 230261, 327213, 690783, 981639, 2072349, 6217047, 18651141]

約数ペア:

[(1, 18651141), (3, 6217047), (9, 2072349), (19, 981639), (27, 690783), (57, 327213), (81, 230261), (171, 109071), (513, 36357), (1539, 12119)]