19540272

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{9929}}^1$

素因数の和:9981

約数の個数: 40

約数和(自身を含む): 51715440

約数和(自身を除く): 32175168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 9929, 19858, 29787, 39716, 59574, 79432, 119148, 158864, 238296, 407089, 476592, 814178, 1221267, 1628356, 2442534, 3256712, 4885068, 6513424, 9770136, 19540272]

約数ペア:

[(1, 19540272), (2, 9770136), (3, 6513424), (4, 4885068), (6, 3256712), (8, 2442534), (12, 1628356), (16, 1221267), (24, 814178), (41, 476592), (48, 407089), (82, 238296), (123, 158864), (164, 119148), (246, 79432), (328, 59574), (492, 39716), (656, 29787), (984, 19858), (1968, 9929)]