18478754

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{547}}^1$

素因数の和:702

約数の個数: 32

約数和(自身を含む): 33669120

約数和(自身を除く): 15190366

約数列:

[1, 2, 7, 14, 19, 38, 127, 133, 254, 266, 547, 889, 1094, 1778, 2413, 3829, 4826, 7658, 10393, 16891, 20786, 33782, 69469, 72751, 138938, 145502, 486283, 972566, 1319911, 2639822, 9239377, 18478754]

約数ペア:

[(1, 18478754), (2, 9239377), (7, 2639822), (14, 1319911), (19, 972566), (38, 486283), (127, 145502), (133, 138938), (254, 72751), (266, 69469), (547, 33782), (889, 20786), (1094, 16891), (1778, 10393), (2413, 7658), (3829, 4826)]