2018341899

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{240881}}^1$

素因数の和:240920

約数の個数: 36

約数和(自身を含む): 3569871240

約数和(自身を除く): 1551529341

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2793, 8379, 240881, 722643, 1686167, 2167929, 4576739, 5058501, 11803169, 13730217, 15175503, 32037173, 35409507, 41190651, 96111519, 106228521, 224260211, 288334557, 672780633, 2018341899]

約数ペア:

[(1, 2018341899), (3, 672780633), (7, 288334557), (9, 224260211), (19, 106228521), (21, 96111519), (49, 41190651), (57, 35409507), (63, 32037173), (133, 15175503), (147, 13730217), (171, 11803169), (399, 5058501), (441, 4576739), (931, 2167929), (1197, 1686167), (2793, 722643), (8379, 240881)]