19458207

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:180

約数の個数: 36

約数和(自身を含む): 30308824

約数和(自身を除く): 10850617

約数列:

[1, 3, 9, 23, 61, 67, 69, 183, 201, 207, 529, 549, 603, 1403, 1541, 1587, 4087, 4209, 4623, 4761, 12261, 12627, 13869, 32269, 35443, 36783, 94001, 96807, 106329, 282003, 290421, 318987, 846009, 2162023, 6486069, 19458207]

約数ペア:

[(1, 19458207), (3, 6486069), (9, 2162023), (23, 846009), (61, 318987), (67, 290421), (69, 282003), (183, 106329), (201, 96807), (207, 94001), (529, 36783), (549, 35443), (603, 32269), (1403, 13869), (1541, 12627), (1587, 12261), (4087, 4761), (4209, 4623)]