19912060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3469}}^1$

素因数の和:3526

約数の個数: 48

約数和(自身を含む): 48968640

約数和(自身を除く): 29056580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 3469, 5740, 6938, 13876, 17345, 24283, 34690, 48566, 69380, 97132, 121415, 142229, 242830, 284458, 485660, 568916, 711145, 995603, 1422290, 1991206, 2844580, 3982412, 4978015, 9956030, 19912060]

約数ペア:

[(1, 19912060), (2, 9956030), (4, 4978015), (5, 3982412), (7, 2844580), (10, 1991206), (14, 1422290), (20, 995603), (28, 711145), (35, 568916), (41, 485660), (70, 284458), (82, 242830), (140, 142229), (164, 121415), (205, 97132), (287, 69380), (410, 48566), (574, 34690), (820, 24283), (1148, 17345), (1435, 13876), (2870, 6938), (3469, 5740)]