19980296

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9643}}^1$

素因数の和:9693

約数の個数: 32

約数和(自身を含む): 43976640

約数和(自身を除く): 23996344

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9643, 19286, 38572, 67501, 77144, 135002, 270004, 356791, 540008, 713582, 1427164, 2497537, 2854328, 4995074, 9990148, 19980296]

約数ペア:

[(1, 19980296), (2, 9990148), (4, 4995074), (7, 2854328), (8, 2497537), (14, 1427164), (28, 713582), (37, 540008), (56, 356791), (74, 270004), (148, 135002), (259, 77144), (296, 67501), (518, 38572), (1036, 19286), (2072, 9643)]