19408144

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{1163}}^1$

素因数の和:1327

約数の個数: 40

約数和(自身を含む): 43300800

約数和(自身を除く): 23892656

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1163, 1192, 2086, 2326, 2384, 4172, 4652, 8141, 8344, 9304, 16282, 16688, 18608, 32564, 65128, 130256, 173287, 346574, 693148, 1213009, 1386296, 2426018, 2772592, 4852036, 9704072, 19408144]

約数ペア:

[(1, 19408144), (2, 9704072), (4, 4852036), (7, 2772592), (8, 2426018), (14, 1386296), (16, 1213009), (28, 693148), (56, 346574), (112, 173287), (149, 130256), (298, 65128), (596, 32564), (1043, 18608), (1163, 16688), (1192, 16282), (2086, 9304), (2326, 8344), (2384, 8141), (4172, 4652)]