18025216

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1$

素因数の和:237

約数の個数: 72

約数和(自身を含む): 40544784

約数和(自身を除く): 22519568

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 173, 176, 256, 296, 346, 352, 407, 592, 692, 704, 814, 1184, 1384, 1408, 1628, 1903, 2368, 2768, 2816, 3256, 3806, 4736, 5536, 6401, 6512, 7612, 9472, 11072, 12802, 13024, 15224, 22144, 25604, 26048, 30448, 44288, 51208, 52096, 60896, 70411, 102416, 104192, 121792, 140822, 204832, 243584, 281644, 409664, 487168, 563288, 819328, 1126576, 1638656, 2253152, 4506304, 9012608, 18025216]

約数ペア:

[(1, 18025216), (2, 9012608), (4, 4506304), (8, 2253152), (11, 1638656), (16, 1126576), (22, 819328), (32, 563288), (37, 487168), (44, 409664), (64, 281644), (74, 243584), (88, 204832), (128, 140822), (148, 121792), (173, 104192), (176, 102416), (256, 70411), (296, 60896), (346, 52096), (352, 51208), (407, 44288), (592, 30448), (692, 26048), (704, 25604), (814, 22144), (1184, 15224), (1384, 13024), (1408, 12802), (1628, 11072), (1903, 9472), (2368, 7612), (2768, 6512), (2816, 6401), (3256, 5536), (3806, 4736)]