19161268

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{16691}}^1$

素因数の和:16743

約数の個数: 24

約数和(自身を含む): 39259584

約数和(自身を除く): 20098316

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 16691, 33382, 66764, 116837, 233674, 467348, 684331, 1368662, 2737324, 4790317, 9580634, 19161268]

約数ペア:

[(1, 19161268), (2, 9580634), (4, 4790317), (7, 2737324), (14, 1368662), (28, 684331), (41, 467348), (82, 233674), (164, 116837), (287, 66764), (574, 33382), (1148, 16691)]