20189071376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{587}}^1\times {\mathrm{4919}}^1$

素因数の和:5556

約数の個数: 80

約数和(自身を含む): 43047244800

約数和(自身を除く): 22858173424

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 368, 437, 587, 874, 1174, 1748, 2348, 3496, 4696, 4919, 6992, 9392, 9838, 11153, 13501, 19676, 22306, 27002, 39352, 44612, 54004, 78704, 89224, 93461, 108008, 113137, 178448, 186922, 216016, 226274, 256519, 373844, 452548, 513038, 747688, 905096, 1026076, 1495376, 1810192, 2052152, 2149603, 2887453, 4104304, 4299206, 5774906, 8598412, 11549812, 17196824, 23099624, 34393648, 46199248, 54861607, 66411419, 109723214, 132822838, 219446428, 265645676, 438892856, 531291352, 877785712, 1062582704, 1261816961, 2523633922, 5047267844, 10094535688, 20189071376]

約数ペア:

[(1, 20189071376), (2, 10094535688), (4, 5047267844), (8, 2523633922), (16, 1261816961), (19, 1062582704), (23, 877785712), (38, 531291352), (46, 438892856), (76, 265645676), (92, 219446428), (152, 132822838), (184, 109723214), (304, 66411419), (368, 54861607), (437, 46199248), (587, 34393648), (874, 23099624), (1174, 17196824), (1748, 11549812), (2348, 8598412), (3496, 5774906), (4696, 4299206), (4919, 4104304), (6992, 2887453), (9392, 2149603), (9838, 2052152), (11153, 1810192), (13501, 1495376), (19676, 1026076), (22306, 905096), (27002, 747688), (39352, 513038), (44612, 452548), (54004, 373844), (78704, 256519), (89224, 226274), (93461, 216016), (108008, 186922), (113137, 178448)]