19102293

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9781}}^1$

素因数の和:9825

約数の個数: 24

約数和(自身を含む): 32554496

約数和(自身を除く): 13452203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 9781, 29343, 68467, 88029, 205401, 303211, 616203, 909633, 2122477, 2728899, 6367431, 19102293]

約数ペア:

[(1, 19102293), (3, 6367431), (7, 2728899), (9, 2122477), (21, 909633), (31, 616203), (63, 303211), (93, 205401), (217, 88029), (279, 68467), (651, 29343), (1953, 9781)]