18942674

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{2803}}^1$

素因数の和:2945

約数の個数: 16

約数和(自身を含む): 29610240

約数和(自身を除く): 10667566

約数列:

[1, 2, 31, 62, 109, 218, 2803, 3379, 5606, 6758, 86893, 173786, 305527, 611054, 9471337, 18942674]

約数ペア:

[(1, 18942674), (2, 9471337), (31, 611054), (62, 305527), (109, 173786), (218, 86893), (2803, 6758), (3379, 5606)]