19505241

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4621}}^1$

素因数の和:4701

約数の個数: 24

約数和(自身を含む): 32686784

約数和(自身を除く): 13181543

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4621, 13863, 32347, 41589, 97041, 291123, 309607, 928821, 2167249, 2786463, 6501747, 19505241]

約数ペア:

[(1, 19505241), (3, 6501747), (7, 2786463), (9, 2167249), (21, 928821), (63, 309607), (67, 291123), (201, 97041), (469, 41589), (603, 32347), (1407, 13863), (4221, 4621)]