18742164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{643}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 50201088

約数和(自身を除く): 31458924

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 347, 643, 694, 1041, 1286, 1388, 1929, 2082, 2429, 2572, 3858, 4164, 4501, 4858, 7287, 7716, 9002, 9716, 13503, 14574, 18004, 27006, 29148, 54012, 223121, 446242, 669363, 892484, 1338726, 1561847, 2677452, 3123694, 4685541, 6247388, 9371082, 18742164]

約数ペア:

[(1, 18742164), (2, 9371082), (3, 6247388), (4, 4685541), (6, 3123694), (7, 2677452), (12, 1561847), (14, 1338726), (21, 892484), (28, 669363), (42, 446242), (84, 223121), (347, 54012), (643, 29148), (694, 27006), (1041, 18004), (1286, 14574), (1388, 13503), (1929, 9716), (2082, 9002), (2429, 7716), (2572, 7287), (3858, 4858), (4164, 4501)]