18523840

素因数分解:

$2^6\times 5^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:665

約数の個数: 56

約数和(自身を含む): 44604432

約数和(自身を除く): 26080592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 107, 160, 214, 320, 428, 535, 541, 856, 1070, 1082, 1712, 2140, 2164, 2705, 3424, 4280, 4328, 5410, 6848, 8560, 8656, 10820, 17120, 17312, 21640, 34240, 34624, 43280, 57887, 86560, 115774, 173120, 231548, 289435, 463096, 578870, 926192, 1157740, 1852384, 2315480, 3704768, 4630960, 9261920, 18523840]

約数ペア:

[(1, 18523840), (2, 9261920), (4, 4630960), (5, 3704768), (8, 2315480), (10, 1852384), (16, 1157740), (20, 926192), (32, 578870), (40, 463096), (64, 289435), (80, 231548), (107, 173120), (160, 115774), (214, 86560), (320, 57887), (428, 43280), (535, 34624), (541, 34240), (856, 21640), (1070, 17312), (1082, 17120), (1712, 10820), (2140, 8656), (2164, 8560), (2705, 6848), (3424, 5410), (4280, 4328)]