19376420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138403}}^1$

素因数の和:138419

約数の個数: 24

約数和(自身を含む): 46503744

約数和(自身を除く): 27127324

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138403, 276806, 553612, 692015, 968821, 1384030, 1937642, 2768060, 3875284, 4844105, 9688210, 19376420]

約数ペア:

[(1, 19376420), (2, 9688210), (4, 4844105), (5, 3875284), (7, 2768060), (10, 1937642), (14, 1384030), (20, 968821), (28, 692015), (35, 553612), (70, 276806), (140, 138403)]