15889180

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{10883}}^1$

素因数の和:10965

約数の個数: 24

約数和(自身を含む): 33827472

約数和(自身を除く): 17938292

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 10883, 21766, 43532, 54415, 108830, 217660, 794459, 1588918, 3177836, 3972295, 7944590, 15889180]

約数ペア:

[(1, 15889180), (2, 7944590), (4, 3972295), (5, 3177836), (10, 1588918), (20, 794459), (73, 217660), (146, 108830), (292, 54415), (365, 43532), (730, 21766), (1460, 10883)]