19510878

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{241}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 39866112

約数和(自身を除く): 20355234

約数列:

[1, 2, 3, 6, 103, 131, 206, 241, 262, 309, 393, 482, 618, 723, 786, 1446, 13493, 24823, 26986, 31571, 40479, 49646, 63142, 74469, 80958, 94713, 148938, 189426, 3251813, 6503626, 9755439, 19510878]

約数ペア:

[(1, 19510878), (2, 9755439), (3, 6503626), (6, 3251813), (103, 189426), (131, 148938), (206, 94713), (241, 80958), (262, 74469), (309, 63142), (393, 49646), (482, 40479), (618, 31571), (723, 26986), (786, 24823), (1446, 13493)]