2018987937

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{17971}}^1$

素因数の和:18075

約数の個数: 40

約数和(自身を含む): 3218425760

約数和(自身を除く): 1199437823

約数列:

[1, 3, 9, 19, 27, 57, 73, 81, 171, 219, 513, 657, 1387, 1539, 1971, 4161, 5913, 12483, 17971, 37449, 53913, 112347, 161739, 341449, 485217, 1024347, 1311883, 1455651, 3073041, 3935649, 9219123, 11806947, 24925777, 27657369, 35420841, 74777331, 106262523, 224331993, 672995979, 2018987937]

約数ペア:

[(1, 2018987937), (3, 672995979), (9, 224331993), (19, 106262523), (27, 74777331), (57, 35420841), (73, 27657369), (81, 24925777), (171, 11806947), (219, 9219123), (513, 3935649), (657, 3073041), (1387, 1455651), (1539, 1311883), (1971, 1024347), (4161, 485217), (5913, 341449), (12483, 161739), (17971, 112347), (37449, 53913)]