19951806

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 47005056

約数和(自身を除く): 27053250

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 347, 518, 694, 777, 1041, 1369, 1554, 2082, 2429, 2738, 4107, 4858, 7287, 8214, 9583, 12839, 14574, 19166, 25678, 28749, 38517, 57498, 77034, 89873, 179746, 269619, 475043, 539238, 950086, 1425129, 2850258, 3325301, 6650602, 9975903, 19951806]

約数ペア:

[(1, 19951806), (2, 9975903), (3, 6650602), (6, 3325301), (7, 2850258), (14, 1425129), (21, 950086), (37, 539238), (42, 475043), (74, 269619), (111, 179746), (222, 89873), (259, 77034), (347, 57498), (518, 38517), (694, 28749), (777, 25678), (1041, 19166), (1369, 14574), (1554, 12839), (2082, 9583), (2429, 8214), (2738, 7287), (4107, 4858)]