19765888

素因数分解:

$2^7\times {\mathrm{307}}^1\times {\mathrm{503}}^1$

素因数の和:824

約数の個数: 32

約数和(自身を含む): 39584160

約数和(自身を除く): 19818272

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 307, 503, 614, 1006, 1228, 2012, 2456, 4024, 4912, 8048, 9824, 16096, 19648, 32192, 39296, 64384, 154421, 308842, 617684, 1235368, 2470736, 4941472, 9882944, 19765888]

約数ペア:

[(1, 19765888), (2, 9882944), (4, 4941472), (8, 2470736), (16, 1235368), (32, 617684), (64, 308842), (128, 154421), (307, 64384), (503, 39296), (614, 32192), (1006, 19648), (1228, 16096), (2012, 9824), (2456, 8048), (4024, 4912)]