18801926

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{389}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 33415200

約数和(自身を除く): 14613274

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 389, 778, 1859, 2197, 3718, 4279, 4394, 5057, 8558, 10114, 24167, 48334, 55627, 65741, 111254, 131482, 723151, 854633, 1446302, 1709266, 9400963, 18801926]

約数ペア:

[(1, 18801926), (2, 9400963), (11, 1709266), (13, 1446302), (22, 854633), (26, 723151), (143, 131482), (169, 111254), (286, 65741), (338, 55627), (389, 48334), (778, 24167), (1859, 10114), (2197, 8558), (3718, 5057), (4279, 4394)]