2019915945

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{56179}}^1$

素因数の和:56254

約数の個数: 48

約数和(自身を含む): 3786082560

約数和(自身を除く): 1766166615

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 423, 705, 765, 799, 2115, 2397, 3995, 7191, 11985, 35955, 56179, 168537, 280895, 505611, 842685, 955043, 2528055, 2640413, 2865129, 4775215, 7921239, 8595387, 13202065, 14325645, 23763717, 39606195, 42976935, 44887021, 118818585, 134661063, 224435105, 403983189, 673305315, 2019915945]

約数ペア:

[(1, 2019915945), (3, 673305315), (5, 403983189), (9, 224435105), (15, 134661063), (17, 118818585), (45, 44887021), (47, 42976935), (51, 39606195), (85, 23763717), (141, 14325645), (153, 13202065), (235, 8595387), (255, 7921239), (423, 4775215), (705, 2865129), (765, 2640413), (799, 2528055), (2115, 955043), (2397, 842685), (3995, 505611), (7191, 280895), (11985, 168537), (35955, 56179)]