19827220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{141623}}^1$

素因数の和:141639

約数の個数: 24

約数和(自身を含む): 47585664

約数和(自身を除く): 27758444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 141623, 283246, 566492, 708115, 991361, 1416230, 1982722, 2832460, 3965444, 4956805, 9913610, 19827220]

約数ペア:

[(1, 19827220), (2, 9913610), (4, 4956805), (5, 3965444), (7, 2832460), (10, 1982722), (14, 1416230), (20, 991361), (28, 708115), (35, 566492), (70, 283246), (140, 141623)]