19952650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9733}}^1$

素因数の和:9786

約数の個数: 24

約数和(自身を含む): 38021004

約数和(自身を除く): 18068354

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9733, 19466, 48665, 97330, 243325, 399053, 486650, 798106, 1995265, 3990530, 9976325, 19952650]

約数ペア:

[(1, 19952650), (2, 9976325), (5, 3990530), (10, 1995265), (25, 798106), (41, 486650), (50, 399053), (82, 243325), (205, 97330), (410, 48665), (1025, 19466), (2050, 9733)]