19764808

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9539}}^1$

素因数の和:9589

約数の個数: 32

約数和(自身を含む): 43502400

約数和(自身を除く): 23737592

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9539, 19078, 38156, 66773, 76312, 133546, 267092, 352943, 534184, 705886, 1411772, 2470601, 2823544, 4941202, 9882404, 19764808]

約数ペア:

[(1, 19764808), (2, 9882404), (4, 4941202), (7, 2823544), (8, 2470601), (14, 1411772), (28, 705886), (37, 534184), (56, 352943), (74, 267092), (148, 133546), (259, 76312), (296, 66773), (518, 38156), (1036, 19078), (2072, 9539)]