19838588

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{1571}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 44368128

約数和(自身を除く): 24529540

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 154, 164, 287, 308, 451, 574, 902, 1148, 1571, 1804, 3142, 3157, 6284, 6314, 10997, 12628, 17281, 21994, 34562, 43988, 64411, 69124, 120967, 128822, 241934, 257644, 450877, 483868, 708521, 901754, 1417042, 1803508, 2834084, 4959647, 9919294, 19838588]

約数ペア:

[(1, 19838588), (2, 9919294), (4, 4959647), (7, 2834084), (11, 1803508), (14, 1417042), (22, 901754), (28, 708521), (41, 483868), (44, 450877), (77, 257644), (82, 241934), (154, 128822), (164, 120967), (287, 69124), (308, 64411), (451, 43988), (574, 34562), (902, 21994), (1148, 17281), (1571, 12628), (1804, 10997), (3142, 6314), (3157, 6284)]