19447571

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 4937965

約数列:

[1, 11, 13, 31, 41, 107, 143, 341, 403, 451, 533, 1177, 1271, 1391, 3317, 4387, 4433, 5863, 13981, 15301, 16523, 36487, 43121, 48257, 57031, 135997, 181753, 474331, 627341, 1495967, 1767961, 19447571]

約数ペア:

[(1, 19447571), (11, 1767961), (13, 1495967), (31, 627341), (41, 474331), (107, 181753), (143, 135997), (341, 57031), (403, 48257), (451, 43121), (533, 36487), (1177, 16523), (1271, 15301), (1391, 13981), (3317, 5863), (4387, 4433)]