18624560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12253}}^1$

素因数の和:12285

約数の個数: 40

約数和(自身を含む): 45584880

約数和(自身を除く): 26960320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12253, 24506, 49012, 61265, 98024, 122530, 196048, 232807, 245060, 465614, 490120, 931228, 980240, 1164035, 1862456, 2328070, 3724912, 4656140, 9312280, 18624560]

約数ペア:

[(1, 18624560), (2, 9312280), (4, 4656140), (5, 3724912), (8, 2328070), (10, 1862456), (16, 1164035), (19, 980240), (20, 931228), (38, 490120), (40, 465614), (76, 245060), (80, 232807), (95, 196048), (152, 122530), (190, 98024), (304, 61265), (380, 49012), (760, 24506), (1520, 12253)]