19728344

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{739}}^1$

素因数の和:863

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 18633256

約数列:

[1, 2, 4, 8, 47, 71, 94, 142, 188, 284, 376, 568, 739, 1478, 2956, 3337, 5912, 6674, 13348, 26696, 34733, 52469, 69466, 104938, 138932, 209876, 277864, 419752, 2466043, 4932086, 9864172, 19728344]

約数ペア:

[(1, 19728344), (2, 9864172), (4, 4932086), (8, 2466043), (47, 419752), (71, 277864), (94, 209876), (142, 138932), (188, 104938), (284, 69466), (376, 52469), (568, 34733), (739, 26696), (1478, 13348), (2956, 6674), (3337, 5912)]