19401028

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{211}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 34571264

約数和(自身を除く): 15170236

約数列:

[1, 2, 4, 127, 181, 211, 254, 362, 422, 508, 724, 844, 22987, 26797, 38191, 45974, 53594, 76382, 91948, 107188, 152764, 4850257, 9700514, 19401028]

約数ペア:

[(1, 19401028), (2, 9700514), (4, 4850257), (127, 152764), (181, 107188), (211, 91948), (254, 76382), (362, 53594), (422, 45974), (508, 38191), (724, 26797), (844, 22987)]