19666977915

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{10631}}^1$

素因数の和:10884

約数の個数: 64

約数和(自身を含む): 34723261440

約数和(自身を除く): 15056283525

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 179, 195, 265, 537, 689, 795, 895, 2067, 2327, 2685, 3445, 6981, 9487, 10335, 10631, 11635, 28461, 31893, 34905, 47435, 53155, 123331, 138203, 142305, 159465, 369993, 414609, 563443, 616655, 691015, 1690329, 1849965, 1902949, 2073045, 2817215, 5708847, 7324759, 8451645, 9514745, 21974277, 24738337, 28544235, 36623795, 74215011, 100856297, 109871385, 123691685, 302568891, 371075055, 504281485, 1311131861, 1512844455, 3933395583, 6555659305, 19666977915]

約数ペア:

[(1, 19666977915), (3, 6555659305), (5, 3933395583), (13, 1512844455), (15, 1311131861), (39, 504281485), (53, 371075055), (65, 302568891), (159, 123691685), (179, 109871385), (195, 100856297), (265, 74215011), (537, 36623795), (689, 28544235), (795, 24738337), (895, 21974277), (2067, 9514745), (2327, 8451645), (2685, 7324759), (3445, 5708847), (6981, 2817215), (9487, 2073045), (10335, 1902949), (10631, 1849965), (11635, 1690329), (28461, 691015), (31893, 616655), (34905, 563443), (47435, 414609), (53155, 369993), (123331, 159465), (138203, 142305)]