19399184

素因数分解:

$2^4\times 7^1\times {\mathrm{173207}}^1$

素因数の和:173222

約数の個数: 20

約数和(自身を含む): 42955584

約数和(自身を除く): 23556400

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173207, 346414, 692828, 1212449, 1385656, 2424898, 2771312, 4849796, 9699592, 19399184]

約数ペア:

[(1, 19399184), (2, 9699592), (4, 4849796), (7, 2771312), (8, 2424898), (14, 1385656), (16, 1212449), (28, 692828), (56, 346414), (112, 173207)]