18853185

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1017

約数の個数: 32

約数和(自身を含む): 32820480

約数和(自身を除く): 13967295

約数列:

[1, 3, 5, 13, 15, 39, 65, 109, 195, 327, 545, 887, 1417, 1635, 2661, 4251, 4435, 7085, 11531, 13305, 21255, 34593, 57655, 96683, 172965, 290049, 483415, 1256879, 1450245, 3770637, 6284395, 18853185]

約数ペア:

[(1, 18853185), (3, 6284395), (5, 3770637), (13, 1450245), (15, 1256879), (39, 483415), (65, 290049), (109, 172965), (195, 96683), (327, 57655), (545, 34593), (887, 21255), (1417, 13305), (1635, 11531), (2661, 7085), (4251, 4435)]