19355418

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1539

約数の個数: 48

約数和(自身を含む): 45467136

約数和(自身を除く): 26111718

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 43, 51, 86, 102, 129, 153, 258, 306, 387, 731, 774, 1462, 1471, 2193, 2942, 4386, 4413, 6579, 8826, 13158, 13239, 25007, 26478, 50014, 63253, 75021, 126506, 150042, 189759, 225063, 379518, 450126, 569277, 1075301, 1138554, 2150602, 3225903, 6451806, 9677709, 19355418]

約数ペア:

[(1, 19355418), (2, 9677709), (3, 6451806), (6, 3225903), (9, 2150602), (17, 1138554), (18, 1075301), (34, 569277), (43, 450126), (51, 379518), (86, 225063), (102, 189759), (129, 150042), (153, 126506), (258, 75021), (306, 63253), (387, 50014), (731, 26478), (774, 25007), (1462, 13239), (1471, 13158), (2193, 8826), (2942, 6579), (4386, 4413)]