19638788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8783}}^1$

素因数の和:8843

約数の個数: 24

約数和(自身を含む): 37876608

約数和(自身を除く): 18237820

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8783, 17566, 35132, 114179, 228358, 377669, 456716, 755338, 1510676, 4909697, 9819394, 19638788]

約数ペア:

[(1, 19638788), (2, 9819394), (4, 4909697), (13, 1510676), (26, 755338), (43, 456716), (52, 377669), (86, 228358), (172, 114179), (559, 35132), (1118, 17566), (2236, 8783)]