19448320

素因数分解:

$2^9\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:201

約数の個数: 80

約数和(自身を含む): 47729088

約数和(自身を除く): 28280768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 107, 128, 142, 160, 214, 256, 284, 320, 355, 428, 512, 535, 568, 640, 710, 856, 1070, 1136, 1280, 1420, 1712, 2140, 2272, 2560, 2840, 3424, 4280, 4544, 5680, 6848, 7597, 8560, 9088, 11360, 13696, 15194, 17120, 18176, 22720, 27392, 30388, 34240, 36352, 37985, 45440, 54784, 60776, 68480, 75970, 90880, 121552, 136960, 151940, 181760, 243104, 273920, 303880, 486208, 607760, 972416, 1215520, 1944832, 2431040, 3889664, 4862080, 9724160, 19448320]

約数ペア:

[(1, 19448320), (2, 9724160), (4, 4862080), (5, 3889664), (8, 2431040), (10, 1944832), (16, 1215520), (20, 972416), (32, 607760), (40, 486208), (64, 303880), (71, 273920), (80, 243104), (107, 181760), (128, 151940), (142, 136960), (160, 121552), (214, 90880), (256, 75970), (284, 68480), (320, 60776), (355, 54784), (428, 45440), (512, 37985), (535, 36352), (568, 34240), (640, 30388), (710, 27392), (856, 22720), (1070, 18176), (1136, 17120), (1280, 15194), (1420, 13696), (1712, 11360), (2140, 9088), (2272, 8560), (2560, 7597), (2840, 6848), (3424, 5680), (4280, 4544)]