2019202317

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2099}}^1$

素因数の和:2239

約数の個数: 64

約数和(自身を含む): 3386880000

約数和(自身を除く): 1367677683

約数列:

[1, 3, 9, 11, 27, 33, 41, 79, 99, 123, 237, 297, 369, 451, 711, 869, 1107, 1353, 2099, 2133, 2607, 3239, 4059, 6297, 7821, 9717, 12177, 18891, 23089, 23463, 29151, 35629, 56673, 69267, 86059, 87453, 106887, 165821, 207801, 258177, 320661, 497463, 623403, 774531, 946649, 961983, 1492389, 1824031, 2323593, 2839947, 4477167, 5472093, 6798661, 8519841, 16416279, 20395983, 25559523, 49248837, 61187949, 74785271, 183563847, 224355813, 673067439, 2019202317]

約数ペア:

[(1, 2019202317), (3, 673067439), (9, 224355813), (11, 183563847), (27, 74785271), (33, 61187949), (41, 49248837), (79, 25559523), (99, 20395983), (123, 16416279), (237, 8519841), (297, 6798661), (369, 5472093), (451, 4477167), (711, 2839947), (869, 2323593), (1107, 1824031), (1353, 1492389), (2099, 961983), (2133, 946649), (2607, 774531), (3239, 623403), (4059, 497463), (6297, 320661), (7821, 258177), (9717, 207801), (12177, 165821), (18891, 106887), (23089, 87453), (23463, 86059), (29151, 69267), (35629, 56673)]