19580841

素因数分解:

$3^2\times 7^3\times {\mathrm{6343}}^1$

素因数の和:6370

約数の個数: 24

約数和(自身を含む): 32988800

約数和(自身を除く): 13407959

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 343, 441, 1029, 3087, 6343, 19029, 44401, 57087, 133203, 310807, 399609, 932421, 2175649, 2797263, 6526947, 19580841]

約数ペア:

[(1, 19580841), (3, 6526947), (7, 2797263), (9, 2175649), (21, 932421), (49, 399609), (63, 310807), (147, 133203), (343, 57087), (441, 44401), (1029, 19029), (3087, 6343)]