18886478

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{733}}^1\times {\mathrm{991}}^1$

素因数の和:1739

約数の個数: 16

約数和(自身を含む): 30581376

約数和(自身を除く): 11694898

約数列:

[1, 2, 13, 26, 733, 991, 1466, 1982, 9529, 12883, 19058, 25766, 726403, 1452806, 9443239, 18886478]

約数ペア:

[(1, 18886478), (2, 9443239), (13, 1452806), (26, 726403), (733, 25766), (991, 19058), (1466, 12883), (1982, 9529)]