1916804571

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^2\times {\mathrm{227}}^1$

素因数の和:440

約数の個数: 48

約数和(自身を含む): 2905435008

約数和(自身を除く): 988630437

約数列:

[1, 3, 11, 33, 41, 79, 123, 227, 237, 451, 681, 869, 1353, 2497, 2607, 3239, 6241, 7491, 9307, 9717, 17933, 18723, 27921, 35629, 53799, 68651, 102377, 106887, 197263, 205953, 255881, 307131, 591789, 735253, 767643, 1416707, 2205759, 2814691, 4250121, 8087783, 8444073, 15583777, 24263349, 46751331, 58084987, 174254961, 638934857, 1916804571]

約数ペア:

[(1, 1916804571), (3, 638934857), (11, 174254961), (33, 58084987), (41, 46751331), (79, 24263349), (123, 15583777), (227, 8444073), (237, 8087783), (451, 4250121), (681, 2814691), (869, 2205759), (1353, 1416707), (2497, 767643), (2607, 735253), (3239, 591789), (6241, 307131), (7491, 255881), (9307, 205953), (9717, 197263), (17933, 106887), (18723, 102377), (27921, 68651), (35629, 53799)]