19695088

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{4289}}^1$

素因数の和:4345

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 24989552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 574, 656, 1148, 2296, 4289, 4592, 8578, 17156, 30023, 34312, 60046, 68624, 120092, 175849, 240184, 351698, 480368, 703396, 1230943, 1406792, 2461886, 2813584, 4923772, 9847544, 19695088]

約数ペア:

[(1, 19695088), (2, 9847544), (4, 4923772), (7, 2813584), (8, 2461886), (14, 1406792), (16, 1230943), (28, 703396), (41, 480368), (56, 351698), (82, 240184), (112, 175849), (164, 120092), (287, 68624), (328, 60046), (574, 34312), (656, 30023), (1148, 17156), (2296, 8578), (4289, 4592)]