18997449

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{2081}}^1$

素因数の和:2280

約数の個数: 16

約数和(自身を含む): 26982720

約数和(自身を除く): 7985271

約数列:

[1, 3, 17, 51, 179, 537, 2081, 3043, 6243, 9129, 35377, 106131, 372499, 1117497, 6332483, 18997449]

約数ペア:

[(1, 18997449), (3, 6332483), (17, 1117497), (51, 372499), (179, 106131), (537, 35377), (2081, 9129), (3043, 6243)]