19898788

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54667}}^1$

素因数の和:54691

約数の個数: 24

約数和(自身を含む): 42859712

約数和(自身を除く): 22960924

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54667, 109334, 218668, 382669, 710671, 765338, 1421342, 1530676, 2842684, 4974697, 9949394, 19898788]

約数ペア:

[(1, 19898788), (2, 9949394), (4, 4974697), (7, 2842684), (13, 1530676), (14, 1421342), (26, 765338), (28, 710671), (52, 382669), (91, 218668), (182, 109334), (364, 54667)]