15418890431

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1\times {\mathrm{1973}}^1$

素因数の和:2943

約数の個数: 32

約数和(自身を含む): 18856911360

約数和(自身を除く): 3438020929

約数列:

[1, 7, 19, 67, 133, 469, 877, 1273, 1973, 6139, 8911, 13811, 16663, 37487, 58759, 116641, 132191, 262409, 411313, 925337, 1116421, 1730321, 2511629, 7814947, 12112247, 17581403, 32876099, 115931507, 230132693, 811520549, 2202698633, 15418890431]

約数ペア:

[(1, 15418890431), (7, 2202698633), (19, 811520549), (67, 230132693), (133, 115931507), (469, 32876099), (877, 17581403), (1273, 12112247), (1973, 7814947), (6139, 2511629), (8911, 1730321), (13811, 1116421), (16663, 925337), (37487, 411313), (58759, 262409), (116641, 132191)]