20192198715

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{28597}}^1$

素因数の和:28709

約数の個数: 96

約数和(自身を含む): 40472804736

約数和(自身を除く): 20280606021

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 71, 85, 117, 153, 195, 213, 221, 255, 355, 585, 639, 663, 765, 923, 1065, 1105, 1207, 1989, 2769, 3195, 3315, 3621, 4615, 6035, 8307, 9945, 10863, 13845, 15691, 18105, 28597, 41535, 47073, 54315, 78455, 85791, 141219, 142985, 235365, 257373, 371761, 428955, 486149, 706095, 1115283, 1286865, 1458447, 1858805, 2030387, 2430745, 3345849, 4375341, 5576415, 6091161, 6319937, 7292235, 10151935, 16729245, 18273483, 18959811, 21876705, 26395031, 30455805, 31599685, 34516579, 56879433, 79185093, 91367415, 94799055, 103549737, 131975155, 172582895, 237555279, 284397165, 310649211, 395925465, 448715527, 517748685, 1187776395, 1346146581, 1553246055, 2243577635, 4038439743, 6730732905, 20192198715]

約数ペア:

[(1, 20192198715), (3, 6730732905), (5, 4038439743), (9, 2243577635), (13, 1553246055), (15, 1346146581), (17, 1187776395), (39, 517748685), (45, 448715527), (51, 395925465), (65, 310649211), (71, 284397165), (85, 237555279), (117, 172582895), (153, 131975155), (195, 103549737), (213, 94799055), (221, 91367415), (255, 79185093), (355, 56879433), (585, 34516579), (639, 31599685), (663, 30455805), (765, 26395031), (923, 21876705), (1065, 18959811), (1105, 18273483), (1207, 16729245), (1989, 10151935), (2769, 7292235), (3195, 6319937), (3315, 6091161), (3621, 5576415), (4615, 4375341), (6035, 3345849), (8307, 2430745), (9945, 2030387), (10863, 1858805), (13845, 1458447), (15691, 1286865), (18105, 1115283), (28597, 706095), (41535, 486149), (47073, 428955), (54315, 371761), (78455, 257373), (85791, 235365), (141219, 142985)]